Aquasana AQ-6200
- Under-sink
- Point of use
- City water
- Well water
- Complete system
- Listed
$124.99as of 2026-09-03MSRP $249.99 as of 2026-09-03
Primary sourceVerified 2026-09-03Brand officialRetailer listing
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Our verdict on the Aquasana AQ-6200
The Aquasana AQ-6200 is a two-cartridge point-of-use carbon filter on its own 0.5 gpm tap, listed by WQA to NSF/ANSI 42, 53 and 401 — nine health-effect claims under NSF/ANSI 53, including lead, PFOA/PFOS, cysts and asbestos, checked in the WQA directory on 2026-09-03. It fits municipal-water kitchens that already have a spare 1/2-inch sink hole; it does not disinfect, does not treat the rest of the house, and carries no fluoride, nitrate, arsenic or hardness claim.[1][2][3][4]
Best for
- Kitchens on treated municipal water that want a certified reduction of lead, PFOA/PFOS, cysts, asbestos and chlorine taste at one dedicated drinking tap
- Sinks that already have a spare hole at least 1/2 inch across from a sprayer or soap dispenser, so nothing has to be drilled
- Cold-water supplies running between 20 and 80 psi and 40-90 °F, with at least 12 inches of clear cabinet height under the sink for the manifold
- Households that want calcium, magnesium and potassium left in the water rather than stripped out
- Owners willing to budget for a genuine Aquasana cartridge set every six months and a housing change every five years — the warranty excludes damage caused by non-genuine replacement filters
Not for
- Water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system — the AQ-6200 does not disinfect, and Aquasana states a UV filter must be added to tackle bacteria and viruses on well water
- Anyone who needs fluoride, nitrate, arsenic, hardness or total-dissolved-solids reduction: none of those appears on the performance data sheet, which states that all contaminants reduced by the filter are listed
- Whole-house treatment — this is a point-of-use filter plumbed to its own 0.5 gpm faucet and it does not touch showers, laundry or the main kitchen tap
- Sinks with no spare 1/2-inch hole where drilling the sink or countertop is not an option; Aquasana points those buyers to the Claryum Direct Connect instead
- Supplies where line pressure can exceed 80 psi or fall below 20 psi, hot-water lines, or any location exposed to freezing temperatures or direct sunlight
Primary sourceVerified 2026-09-03WQA listingManufacturer datasheetBrand official
Certification check: Aquasana AQ-6200
Listed by WQA under NSF/ANSI 372, NSF/ANSI 401, NSF/ANSI 42, and NSF/ANSI 53, checked in the certifier directories as of 2026-09-03.
- WQA
- NSF/ANSI 372NSF/ANSI 401NSF/ANSI 42NSF/ANSI 53
IAPMO R&T and WQA certify products against the same NSF/ANSI standards as NSF, so a listing from either one is an equivalent third-party certification, not a lesser one.
| Directory | Result | Listing |
|---|---|---|
| NSF | No listing found (checked 2026-09-03) | View listing |
| IAPMO R&T | No listing found (checked 2026-09-03) | View listing |
| WQA | Listing found (checked 2026-09-03) | View listing |
Claimed vs. certified: Aquasana AQ-6200
| Contaminant | Status | Third-party listing | What the brand says |
|---|---|---|---|
| 78 contaminants (aggregate) | Marketed only | No entry |
|
| Chloramine, free available | Marketed only | No entry |
|
| Chlorine | Marketed only | No entry |
|
| Chlorine, free available | Marketed only | No entry |
|
| Chlorine, lead, PFAS, microplastics and pesticides (aggregate) | Marketed only | No entry |
|
| Contaminant count (comparative) | Marketed only | No entry |
|
| Cyst (microspheres) | Marketed only | No entry |
|
| Cysts | Marketed only | No entry |
|
| Lead at pH 6.5 | Marketed only | No entry |
|
| Lead at pH 8.5 | Marketed only | No entry |
|
| Mercury at pH 6.5 | Marketed only | No entry |
|
| Mercury at pH 8.5 | Marketed only | No entry |
|
| Microplastics (particles 0.5 to <1 µm) | Marketed only | No entry |
|
| Microplastics, PFAS (PFOA and PFOS), lead | Marketed only | No entry |
|
| MTBE | Marketed only | No entry |
|
| Particulate Class I (particles 0.5 to <1 µm) | Marketed only | No entry |
|
| PFOA and PFOS | Marketed only | No entry |
|
| Plastic bottles displaced (environmental) | Marketed only | No entry |
|
| VOCs (surrogate test as chloroform) | Marketed only | No entry |
|
| VOCs and asbestos | Marketed only | No entry |
|
| Asbestos | Certified and marketed |
|
|
| Turbidity | Certified and marketed |
|
|
| Aesthetic Chloramine | Certified only |
| No entry |
| Aesthetic Chlorine | Certified only |
| No entry |
| Atenolol | Certified only |
| No entry |
| Bisphenol A | Certified only |
| No entry |
| Carbamazepine | Certified only |
| No entry |
| Cyst | Certified only |
| No entry |
| DEET | Certified only |
| No entry |
| Estrone | Certified only |
| No entry |
| Ibuprofen | Certified only |
| No entry |
| Lead | Certified only |
| No entry |
| Lead content of wetted materials | Certified only |
| No entry |
| Linuron | Certified only |
| No entry |
| Meprobamate | Certified only |
| No entry |
| Mercury | Certified only |
| No entry |
| Methyl Tert-Butyl Ether (MTBE) | Certified only |
| No entry |
| Metolachlor | Certified only |
| No entry |
| Microplastics | Certified only |
| No entry |
| Naproxen | Certified only |
| No entry |
| Nominal Particulate Class I | Certified only |
| No entry |
| Nonyl Phenol | Certified only |
| No entry |
| Perfluorooctane Sulfonate (PFOS) | Certified only |
| No entry |
| Perfluorooctanoic Acid (PFOA) | Certified only |
| No entry |
| Phenytoin | Certified only |
| No entry |
| Taste and Odor | Certified only |
| No entry |
| TCEP | Certified only |
| No entry |
| TCPP | Certified only |
| No entry |
| Trimethoprim | Certified only |
| No entry |
| VOC (as chloroform) | Certified only |
| No entry |
What the Aquasana AQ-6200 does not do
Aquasana's own performance data sheet for the AQ-6200 states plainly: “Does not remove all contaminants that may be present in tap water.” It also states “All contaminants reduced by this filter are listed”, so anything absent from that sheet is outside the tested claim set. The Aquasana AQ-6200's recorded operating limits are Line pressure at least 20 psi and up to 80 psi, Water temperature at least 40 °F and up to 90 °F, Rated capacity before cartridge replacement up to 500 gallons, Clear cabinet height needed below the manifold for servicing at least 12 in, Filter housing (sump) service life up to 60 months, verified 2026-09-03.
Aquasana's own performance data sheet for the AQ-6200 states plainly: “Does not remove all contaminants that may be present in tap water.” It also states “All contaminants reduced by this filter are listed”, so anything absent from that sheet is outside the tested claim set.[1]
Primary sourceVerified 2026-09-03Manufacturer datasheet
The AQ-6200 carries no fluoride, nitrate, arsenic, hardness or total-dissolved-solids reduction claim. None appears on the performance data sheet, and none appears in any of the four WQA listings for the model read on 2026-09-03. Aquasana's own FAQ explains why TDS does not move: Claryum products “reduce harmful dissolved solids like lead but selectively retain or replace healthy dissolved solids like calcium, magnesium, and potassium”.[1][2][3]
Primary sourceVerified 2026-09-03Manufacturer datasheetWQA listingBrand official
It does not disinfect. The owner's manual instructs: “Do not use with water that is microbiologically unsafe or of unknown water quality without adequate disinfection before or after the system,” and Aquasana's product page states that on well water a “UV Filter must be added to tackle bacteria and viruses”. The cyst claim applies only to disinfected supplies: “Systems certified for cyst reduction may be used on disinfected waters that may contain filterable cysts.”[1][2]
Primary sourceVerified 2026-09-03Manufacturer datasheetBrand official
It treats one tap, not the house. WQA lists the AQ-6200's product type as “Plumbed-In to Separate Tap” at a rated 0.5 GPM, and the manual's installation sequence connects it to the cold supply and its own dedicated faucet only — showers, laundry, the dishwasher and the main kitchen tap are untouched.[1][2]
Primary sourceVerified 2026-09-03WQA listingManufacturer datasheet
The one-year limited warranty does not cover the filter cartridges, and Aquasana states it “does not cover damage caused by the use of parts that are not genuine Aquasana parts”, naming replacement filters, faucets and diverter valves. It also excludes clogging “due to purchaser's failure to replace the filter cartridges” and failures caused by sediment build-up.[1]
Primary sourceVerified 2026-09-03Manufacturer datasheet
It cannot be sited outdoors, in an unheated garage or anywhere sunlit. The manual requires that the system “be installed inside and out of direct sunlight” and states it “must be protected from both direct sunlight and freezing temperatures”; the warranty separately voids coverage where “the water filter is installed in direct sunlight or exposed to freezing temperatures” and where it “is exposed to highly corrosive conditions”.[1][2]
Primary sourceVerified 2026-09-03Manufacturer datasheet
The 90-day money-back guarantee does not apply to units bought from a retailer: Aquasana states “This offer is only applicable for products purchased directly from Aquasana,” the buyer pays return shipping, and installation labour is not covered.[1]
Primary sourceVerified 2026-09-03Manufacturer datasheet
Operating limits
| Parameter | Limit | What it means |
|---|---|---|
| Line pressure | at least 20 psi and up to 80 psi[1][2] | The manual is explicit: “Do not install this system where the line pressure may exceed 80 psi.” The warranty separately excludes “damage caused by over-pressurization in the water line”. Primary sourceVerified 2026-09-03Manufacturer datasheet |
| Water temperature | at least 40 °F and up to 90 °F[1][2] | Cold lines only. The performance data sheet carries a standalone warning, “Filter is only to be used with cold water”, and the manual says “Install on COLD water lines only (40° - 90°F)”. Primary sourceVerified 2026-09-03Manufacturer datasheet |
| Rated capacity before cartridge replacement | up to 500 gallons[1][2] | WQA lists 500 gallons against the AQ-6200 with replacement element AQ-C2-R. The manual adds that the alarm sounds at 95% of capacity, about every six months. Primary sourceVerified 2026-09-03WQA listingManufacturer datasheet |
| Clear cabinet height needed below the manifold for servicing | at least 12 in[1] | The manual's mounting step: “Select a location under the sink that is at least 12" from the bottom of the cabinet to access system for scheduled filter changes.” The manifold's own mounting-screw spacing for the AQ-6200 is 2.6 inches. Primary sourceVerified 2026-09-03Manufacturer datasheet |
| Filter housing (sump) service life | up to 60 months[1] | Not optional maintenance. The manual states “Must replace housing every 5 years or risk property damage from leaks” and repeats it at the filter-change step: “The filter housing sumps must be replaced every five years. Failure to do so could result in potential leaks due to product deterioration.” Primary sourceVerified 2026-09-03Manufacturer datasheet |
Do not buy it for these situations
Water pressureDo not fit it where line pressure can exceed 80 psi or fall below 20 psi. The manual forbids installation above 80 psi outright, and the warranty excludes damage caused by over-pressurization — so a supply that spikes above 80 psi needs a pressure-reducing valve before this filter, not after it.[1][2]
Primary sourceVerified 2026-09-03Manufacturer datasheet
Well waterNot a stand-alone answer for private-well supplies. Aquasana markets the AQ-6200 as recommended for well water but states in the same badge that a “UV Filter must be added to tackle bacteria and viruses”, and the manual bars use on water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. On a well, disinfect first — and test, because the AQ-6200 carries no arsenic, nitrate or hardness claim.[1][2][3]
Primary sourceVerified 2026-09-03Manufacturer datasheetBrand official
RentersFine for a renter only if the sink already has a spare hole at least 1/2 inch across — a sprayer or soap-dispenser opening the dedicated faucet can take over, which Aquasana says “will not damage or permanently modify your plumbing”. Without one, installation means drilling the sink or countertop, and Aquasana “strongly recommend[s] using a professional” for that; its own advice to renters in that position is to buy the Claryum Direct Connect instead.[1][2]
Primary sourceVerified 2026-09-03Manufacturer datasheetBrand official
Fit and sizing: Aquasana AQ-6200
The Aquasana AQ-6200 is a under-sink unit installed at the point of use, for city water and well water. It is rated for 0.5 gpm of service flow, verified 2026-09-03.
| Form factor | Under-sink |
|---|---|
| Installed at | Point of use (one fixture) |
| Water source | City water and Well water |
| Service flow | 0.5 gpm[1][2] Primary sourceVerified 2026-09-03WQA listingManufacturer datasheet |
| Dimensions | 9 in H × 8.25 in W × 4.25 in D[1] Primary sourceVerified 2026-09-03Brand official |
| Operating pressure | 20–80 psi[1] Primary sourceVerified 2026-09-03Manufacturer datasheet |
| Operating temperature | 40–90 °F[1] Primary sourceVerified 2026-09-03Manufacturer datasheet |
| Connection size | 0.375 in[1][2] Primary sourceVerified 2026-09-03Brand officialManufacturer datasheet |
| Needs electricity | No[1] Primary sourceVerified 2026-09-03Manufacturer datasheet |
| Needs a drain | No[1][2] Primary sourceVerified 2026-09-03Manufacturer datasheet |
What the Aquasana AQ-6200 really costs
The Aquasana AQ-6200 costs $124.99 as of 2026-09-03. Over ten years, including installation and replacement elements, the recorded total is $1,664.49.
Replacement schedule
| Element | Replace | Cost per year |
|---|---|---|
| AQ-C2-R | every 6 months, or every 500 gallons | $147.98 |
| AQ-C2-SUMP | every 60 months | $5.97 |
Primary sourceVerified 2026-09-03Brand officialWQA listingManufacturer datasheetRetailer listing
Ten-year cost of ownership
| Purchase price (as of 2026-09-03) | $124.99 |
|---|---|
| Replacement elements, 10 × $153.95/year | $1,539.50 |
| Sum of the lines above (as of 2026-09-03) | $1,664.49 |
| Recorded ten-year total | $1,664.49 |
Warranty: One-year limited warranty against defects in materials or workmanship, running 12 months (365 days) from the date of purchase. Registration is not required, but proof of purchase from Aquasana or an authorised reseller is. Filter cartridges are excluded, as is damage from non-genuine parts, over-pressurization, freezing, direct sunlight, sediment build-up and failure to change cartridges. Service is handled by A. O. Smith Water Treatment (North America), Inc. (1 years)[1]
Primary sourceVerified 2026-09-03Manufacturer datasheet
Money-back guarantee: The Aquasana 90-Day “Pure Satisfaction” Guarantee: a no-questions-asked trial that begins the day the order is placed. A Return Authorization Code must be requested inside the 90 days and the return received within 21 days of the code being issued. The buyer pays return shipping, installation labour is not covered, and the offer applies only to products bought directly from Aquasana. (90 days)[1]
Primary sourceVerified 2026-09-03Manufacturer datasheet
Installing the Aquasana AQ-6200
Installing the Aquasana AQ-6200 is a moderate job. DIY install, verified 2026-09-03.
Tools required
- Variable-speed drill with a 1/8" bit (7/32" if using wall anchors)
- Adjustable wrench
- Phillips-head screwdriver
- Level
- Pencil
- Measuring tape
- Bucket
- Hammer
- Safety glasses
Primary sourceVerified 2026-09-03Manufacturer datasheet
Manufacturer documentation
- Install manual: https://www.aquasana.com/on/demandware.static/-/Sites-aquasana-Library/default/dwac17cf6c/PDF/AQ-6200-6300-6300M_Install.pdf (accessed 2026-09-03)
- Install video: https://www.youtube.com/watch?v=_r6CsjTas84 (accessed 2026-09-03)
Ongoing maintenance
- Replace both Claryum cartridges (AQ-C2-R) when the alert sounds — at 95% of capacity, about every six months or 500 gallons — every 6 months
- Swap the battery tray at every cartridge change; a new tray and CR2450 3V coin battery ship with each AQ-C2-R set, and the manual warns the coin cell is an ingestion hazard that must be kept away from children — every 6 months
- Inspect each housing o-ring for damage and alignment while the housing is open, and do not lubricate the o-rings — every 6 months
- Flush the system for ten minutes after every cartridge change and do not drink the flushed water — every 6 months
- Replace the filter housing sumps (AQ-C2-SUMP); the manual warns that failure to do so could result in leaks from product deterioration and property damage — every 60 months
- Wipe the exterior with a damp cloth only — no strong or abrasive cleaning agents or solvent cleaners
Primary sourceVerified 2026-09-03Manufacturer datasheet
Track record: Aquasana AQ-6200
Aquasana (Claryum 2-Stage, brushed nickel product page) shows 4.4 out of 5 from 1,150 reviews as of 2026-09-03; Amazon (AQ-6200-BN, ASIN B0FN9WVKM8; review stream pooled across Claryum 2-Stage, 3-Stage and 3-Stage Max sets) shows 4.4 out of 5 from 151 reviews as of 2026-09-03; Amazon (AQ-6200-MB, ASIN B0FN9JF4X9) shows 4 out of 5 from 29 reviews as of 2026-09-03; Amazon (AQ-6200-CHR, ASIN B0FLWXPPXC) shows 3.6 out of 5 from 41 reviews as of 2026-09-03.
| Source | Rating | Reviews | As of |
|---|---|---|---|
| Aquasana (Claryum 2-Stage, brushed nickel product page) | 4.4 out of 5 | 1,150 | 2026-09-03 |
| Amazon (AQ-6200-BN, ASIN B0FN9WVKM8; review stream pooled across Claryum 2-Stage, 3-Stage and 3-Stage Max sets) | 4.4 out of 5 | 151 | 2026-09-03 |
| Amazon (AQ-6200-MB, ASIN B0FN9JF4X9) | 4 out of 5 | 29 | 2026-09-03 |
| Amazon (AQ-6200-CHR, ASIN B0FLWXPPXC) | 3.6 out of 5 | 41 | 2026-09-03 |
What owners praise
Installation and cartridge changes come up repeatedly as the strong point. Amazon buyers of the AQ-6000 series describe an “easy install & easy filter change without spilling or tools” against the older spin-off housing design, and a first-time installer on the brand's own review stream reported that after a hole was drilled for the dedicated faucet the install was “a breeze” with “minimal tools required”.[1][2]
Secondary sourceVerified 2026-09-03Amazon reviewBrand official
Taste is the other consistent theme, which is what a carbon-and-ion-exchange filter that leaves minerals in should deliver. Reviewers on both Amazon and Aquasana's own page single out a noticeable taste change and the disappearance of visible sediment.[1][2]
Secondary sourceVerified 2026-09-03Amazon reviewBrand official
Owners keep the system for years rather than abandoning it. A Claryum 2-Stage owner posting to r/phoenix in a thread titled “Water Treatment Options in Condo” described having had “an Aquasana under sink water filter (Claryum® 2-Stage) for drinking water for a few years” and was looking to add treatment elsewhere in the unit rather than replace it.[1]
Secondary sourceVerified 2026-09-03Reddit thread
What owners complain about
The single most common disappointment is a TDS meter that does not move. A one-star Amazon reviewer in San Diego measured 475 before the filter and 473 after and called it a “waste of time and money”. That is the designed behaviour rather than a fault — Aquasana's own FAQ says its systems “selectively retain or replace healthy dissolved solids like calcium, magnesium, and potassium” — but nothing in the marketing sets that expectation before purchase.[1][2]
Secondary sourceVerified 2026-09-03Amazon reviewBrand official
The cartridges are proprietary, and owners notice. In r/WaterTreatment's thread “Under Sink Water Treatment advice - Currently Have Aquasana Under Sink”, a Claryum owner asking whether to upgrade was advised that if they wanted to save money on filters they should look for a system using standard-size cartridges and housings, which are cheaper. The AQ-6200 takes only the Aquasana AQ-C2-R set, and Aquasana's warranty excludes damage caused by non-genuine replacement filters.[1][2]
Secondary sourceVerified 2026-09-03Reddit threadManufacturer datasheet
The battery-powered filter-change alert can misbehave. An owner posting “Aquasana under the sink filter noise” to r/WaterTreatment reported a persistent noise from an under-sink Aquasana that stopped when the battery was removed; Aquasana support attributed it to the battery going flat even though it was the fresh one shipped with the replacement cartridges. This is a single reported case rather than a documented pattern.[1]
Secondary sourceVerified 2026-09-03Reddit thread
Leaking housings are the failure mode Aquasana itself designs maintenance around, and they have drawn legal attention. The manual instructs owners to replace the housing sumps every five years “or risk property damage from leaks”. Separately, ClassAction.org told readers in its 23 March 2023 newsletter that attorneys working with it were “investigating whether a defect is causing Aquasana's Claryum under-sink water filters to leak during normal use”. That investigation never produced a filed case that could be found, and its landing page returned a 404 when checked on 2026-09-03.[1][2][3]
Secondary sourceVerified 2026-09-03Manufacturer datasheetUnverified
Recalls and litigation
LitigationA putative consumer class action against this filter's manufacturer over pricing, not over the filter. Fox v. A.O. Smith Water Treatment (North America), Inc., 3:25-cv-01552 (S.D. Cal.), filed 2025-06-17, alleged that the regular prices and limited-time discounts Aquasana advertises on aquasana.com — including on the Under Sink Systems category page this product sits on — were fictitious, because 'Defendant's purported regular prices were not the prevailing prices during the 90 days immediately preceding Defendant's advertisement of the purported discounts', pleaded under California's False Advertising Law (Cal. Bus. & Prof. Code §§ 17500 and 17501), the Consumers Legal Remedies Act and the Unfair Competition Law. It made no allegation about filtration performance or safety. The plaintiff filed a notice of voluntary dismissal on 2025-10-31, so no court ruled on the allegations and none of them is established. Read the MSRP on this page with that in mind. (2025-06-17)
https://www.courtlistener.com/docket/70574174/fox-v-ao-smith-water-treatment-north-america-inc/
Primary sourceVerified 2026-09-03Government agency
The Aquasana AQ-6200 against its family and its rivals
The Aquasana AQ-6200 has 5 siblings in its family: AQ-6300, AQ-6300M, AQ-5200, Claryum Direct Connect, AQ-5300. Search demand pairs it with APEC ROES-PH75, Brita Elite pitcher filter, iSpring RCC7.
WQA's listings for the AQ-6200 carry a footnote reading “AQ-6200-CHR = Chrome; AQ-6200-BN = Brushed nickel; AQ-6200-ORB = Oil rubbed bronze ; AQ-6200-MB = Matte black”, so all four faucet finishes sit under the one certified model number and the same NSF/ANSI 42, 53, 401 and NSF/ANSI/CAN 372 claims. The sibling AQ-6300 and AQ-6300M are listed as separate model numbers with their own claim sets, and nothing here should be read across to them.[1][2]
Primary sourceVerified 2026-09-03WQA listing
The rest of the family
| Model | What differs |
|---|---|
| AQ-6300 | Claryum 3-Stage: adds a 5-micron pre-filter and is rated for 600 gallons instead of 500, at the same 0.5 gpm and the same six-month interval. |
| AQ-6300M | Claryum 3-Stage Max Flow: pre-filter plus what Aquasana describes as a 44% increased flow rate, rated for 800 gallons. |
| AQ-5200 | The earlier Claryum 2-Stage. Aquasana's replacement page lists the same AQ-C2-R cartridge set as fitting both AQ-5200 and AQ-6200, so cartridges are interchangeable between the generations. |
| Claryum Direct Connect | Filters through the existing kitchen faucet instead of a dedicated tap, so it needs no spare sink hole — the option Aquasana points renters to when the sink has no sprayer or soap-dispenser opening. Rated for 784 gallons. |
| AQ-5300 | The earlier three-stage Claryum, rated for 600 gallons; the same pre-filter-plus-two-carbon-stages layout as the AQ-6300. |
Cross-shopped against
| Rival | Why this pair |
|---|---|
| APEC ROES-PH75 | forum:r/WaterTreatment 'Under sink filters with the best tasting water?' (read 2026-09-03) frames the choice as Aquasana Claryum versus the APEC ROES-PH75, i.e. carbon-with-minerals against reverse osmosis with remineralisation — the same fork this page's verdict has to resolve. |
| Brita Elite pitcher filter | serp:Aquasana's own AQ-6200 page benchmarks Claryum against 'the leading pitcher filter' ('15X more contaminants'), and the r/WaterTreatment thread above was opened by someone wanting under-sink water that tastes like their Brita Elite — so pitcher-to-under-sink is a live comparison for this buyer. |
| iSpring RCC7 | forum:r/WaterTreatment 'Undersink filtering suggestions - Aqua-Pure vs Aquasana?' (surfaced 2026-09-03) answers with iSpring under-sink systems on the grounds of higher flow and capacity than basic cartridge filters. |
Aquasana AQ-6200 questions, answered
Is the Aquasana AQ-6200 NSF certified?
Verified health claim
It is certified by WQA to NSF/ANSI standards, not by NSF itself — which is a distinction about who tested it, not about how good the certification is. WQA lists the AQ-6200 under NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401 and NSF/ANSI/CAN 372, and WQA, IAPMO R&T and NSF are equivalent certification bodies working to the same NSF/ANSI standards. The AQ-6200 itself does not appear in the NSF or IAPMO R&T directories: checked on 2026-09-03, NSF's drinking-water-treatment-unit directory returned no matching products for AQ-6200 (Aquasana Inc. is listed there, but only for its AQ-UV-MF and AQ-UV-SF ultraviolet units), and IAPMO R&T's directory returned no listed model AQ-6200 across Aquasana's six active files. A product needs only one accredited certifier, so a single WQA listing is a complete certification.
Are Aquasana under sink water filters good?
Verified health claim
For what a certifier has actually verified, the AQ-6200 is a strong point-of-use filter: WQA lists it for nine health-effect claims under NSF/ANSI 53 — asbestos, cyst, lead, mercury, MTBE, PFOS, PFOA, turbidity and VOC as chloroform — plus four aesthetic claims under NSF/ANSI 42 and sixteen emerging-compound claims under NSF/ANSI 401, all read on 2026-09-03. Buyer ratings sit around 4 to 4.4 out of 5 on the same date (4.4 from 1,150 reviews on Aquasana's own page; 4.4 from 151, 4.0 from 29 and 3.6 from 41 on the brushed-nickel, matte-black and chrome Amazon listings). Where it disappoints people is scope: it treats one dedicated tap at 0.5 gpm, it does not disinfect, and it makes no fluoride, nitrate, arsenic, hardness or TDS claim.
How often should I replace the Aquasana under the sink filter?
Verified health claim
Every six months, or 500 gallons, whichever comes first — the AQ-6200 sounds an alarm and shows a red light at 95% of capacity to tell you. Aquasana says the interval holds even in a small household: asked directly whether a two-person home still needs a six-month change, the manual answers “Yes. Even in smaller households, we recommend replacing the filters every 6 months to ensure optimal filtration and great-tasting water,” and the brand adds that changing filters on schedule “prevents the growth of bacteria in the system”. Two other intervals are easy to miss: the CR2450 coin battery is swapped at every cartridge change (a new one ships with each set), and the filter housing sumps must be replaced every five years, which the manual says is necessary to avoid leaks from product deterioration.
What are the disadvantages of the Aquasana AQ-6200 under sink water filter?
Verified health claim
Four, in the order they cost you something. It treats one dedicated tap at 0.5 gpm, so showers, laundry and the main kitchen faucet are untouched. It does not disinfect — the manual bars its use on water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. It carries no fluoride, nitrate, arsenic, hardness or TDS claim, and Aquasana's own data sheet states that all contaminants the filter reduces are listed on it. And the cartridges are proprietary: the AQ-C2-R set is $73.99 at Aquasana as of 2026-09-03, twice a year, which passes the price of the hardware inside the first year.
Does the Aquasana AQ-6200 reduce TDS?
Verified health claim
No, and it is not meant to. There is no total-dissolved-solids claim on the AQ-6200's performance data sheet or in any of WQA's four listings for the model, read on 2026-09-03. Aquasana explains the design directly: its systems “reduce harmful dissolved solids like lead but selectively retain or replace healthy dissolved solids like calcium, magnesium, and potassium”, and the brand says TDS meters “are not an accurate measurement for contamination”. If your TDS reading is unchanged after installing this filter, that is the product working as specified — a reverse-osmosis system is what drops TDS, at the cost of stripping the minerals out too.
Is there a lawsuit against Aquasana regarding their water filters?
One class action has been filed against Aquasana, but it was about pricing rather than about the filters, and it was dropped. A CourtListener full-text search of federal dockets on 2026-09-03 returned 21 matches for Aquasana, and none alleges a defect in these filters. The one consumer class action among them is Fox v. A.O. Smith Water Treatment (North America), Inc., 3:25-cv-01552 (S.D. Cal.), filed 2025-06-17, which alleged that the regular prices and limited-time discounts advertised on aquasana.com — including on the Under Sink Systems page — were fictitious, because “Defendant's purported regular prices were not the prevailing prices during the 90 days immediately preceding Defendant's advertisement of the purported discounts”, under California's False Advertising Law, Consumers Legal Remedies Act and Unfair Competition Law. The plaintiff filed a notice of voluntary dismissal on 2025-10-31, so no court ruled on it. The other 20 — most of which do not name Aquasana as a party at all — are five trademark and copyright suits, three civil-rights and disability-access cases, one patent, one securities, one FTC Act and one environmental case, a property-damage claim against the State of Alaska, an insurer's suit against Aquasana whose subject CourtListener does not publish, and six bankruptcy dockets. On the filters themselves, what exists is a pre-litigation investigation and no case: ClassAction.org told readers in its 23 March 2023 newsletter that attorneys working with it were “investigating whether a defect is causing Aquasana's Claryum under-sink water filters to leak during normal use” and whether a class action could be filed; that page has since been taken down and returned a 404 when checked on 2026-09-03. The CPSC has published no recall for Aquasana as of 2026-09-03. Worth knowing either way: Aquasana's own manual tells owners to replace the filter housing sumps every five years “or risk property damage from leaks”.
Can renters install the Aquasana AQ-6200?
Yes, if the sink already has a spare hole at least 1/2 inch across. Aquasana's advice to renters is to remove the existing sprayer or soap dispenser and fit the dedicated faucet in its place, which it says “will not damage or permanently modify your plumbing” — when you move out you remove the system and reconnect the plumbing as it was. Without a spare hole the only route is drilling the sink or countertop, and the manual says that if you are drilling, “we strongly recommend using a professional”. Aquasana's own recommendation for renters in that position is the Claryum Direct Connect, which plumbs into the cold line and filters through the existing faucet.
How much does the Aquasana AQ-6200 cost to buy and to run?
On 2026-09-03 the system was $124.99 against a $249.99 MSRP — that was Aquasana's own price for the brushed-nickel configuration, Amazon's price for the brushed-nickel AQ-6200-BN, and Home Depot's price for the chrome AQ-6200-CHR; the matte-black AQ-6200-MB was $134.99 at both Amazon and Home Depot. Running costs are where the real money is: the AQ-C2-R cartridge set is $73.99 at Aquasana and is changed twice a year, which is $147.98 a year, and the filter housing sumps (AQ-C2-SUMP, $29.84 for the pair on Amazon) are replaced every five years, about $5.97 a year. Over ten years, starting from $124.99 of hardware and installing it yourself, that comes to roughly $1,664.
What is the micron rating of the Aquasana AQ-6200?
0.5 micron. Aquasana's manual answers the question directly in its troubleshooting table: the carbon filters are “0.5 sub-micron mechanical filtration”, and the 5-micron pre-filter it mentions alongside belongs to the three-stage models, not to the two-stage AQ-6200. That sub-micron rating is what backs the NSF/ANSI 42 Nominal Particulate Class I claim, which Aquasana's performance data sheet defines as particles 0.5 to under 1 μm.
Which faucet finishes are covered by the AQ-6200's certification?
Verified health claim
All four. WQA's listings for the AQ-6200 carry a footnote reading “AQ-6200-CHR = Chrome; AQ-6200-BN = Brushed nickel; AQ-6200-ORB = Oil rubbed bronze ; AQ-6200-MB = Matte black”, so chrome, brushed nickel, oil-rubbed bronze and matte black are the same certified model number with the same claims under NSF/ANSI 42, 53, 401 and NSF/ANSI/CAN 372. Aquasana also sells a no-faucet configuration, AQ-6200-NF, for buyers reusing an existing dedicated tap; if you do that, Aquasana recommends the replacement faucet itself be NSF certified.
Sources and data report: Aquasana AQ-6200
Every figure above is taken from the highest-trust source that carries it and re-derived from that source by a separate check. How we verify product data.
What we could not establish, and why
| Field | Why it is blank |
|---|---|
| mechanism.treatmentMethods | Aquasana publishes the methods Claryum combines but not the treatment train. The product page and the AQ-C2-R replacement page both say the two cartridges each 'combine activated and catalytic carbon, ion-exchange, and sub-micron filtration', i.e. every method is in both stages, and no Aquasana document assigns a method to stage 1 versus stage 2. On top of that the closed method vocabulary has no slug for the non-softening ion exchange Claryum uses ('ion-exchange-softener' and 'anion-exchange' would both be wrong), so any ordered stage list would be an invented slug plus an invented order. Left null rather than approximated, which is the same call the sibling aquasana-aq-5300 and aquasana-claryum-direct-connect records made. |
| fit.bathroomsServed | Not a meaningful or published figure for this product. The AQ-6200 is a point-of-use filter on one dedicated tap, not a whole-house system; Aquasana, WQA and the manual all describe capacity in gallons and months, and none of them publishes a bathroom count. Nothing in the sources supports a number and computing one from the 500-gallon rating would be invention. |
| fit.householdSize | Aquasana publishes no household-size rating for the AQ-6200. The closest statement is the manual's troubleshooting answer that even a two-person household should still change filters every six months, which is a maintenance instruction rather than a sizing rating. Deriving a household count from 500 gallons over six months would be arithmetic on an assumed per-person consumption that no source supplies. |
| fit.roOutputGpd | Does not apply: the AQ-6200 is a two-cartridge carbon and ion-exchange filter, not a reverse-osmosis system. There is no membrane and no gpd output figure on the performance data sheet, in the manual, or in WQA's listings, all of which report a 0.5 gpm service flow instead. |
| fit.roTankCapacity | Does not apply: there is no storage tank. The manual's box contents list a manifold, two filter housings, two filters, a faucet, tubing and fittings, and no pressure tank; the system filters on demand at 0.5 gpm. |
| cost.wasteRatio | Does not apply: this is a cartridge filter with no drain line, so nothing is sent to waste and there is no ratio to report. The manual's installation steps plumb only an inlet from the cold supply and an outlet to the dedicated faucet, and neither the performance data sheet nor the WQA listings carry a waste figure. |
| install.estimatedHours | No source publishes an installation time. The manual gives an eight-step procedure with no duration, Aquasana's product page says only that installation is easy and a plumber is not required, and its install video runs 4:46 as a demonstration rather than a real-time job. Retailer listings and owner threads gave no consistent figure either. Estimating from the step count would be a guess. |
| seo.cluster.primary.kd | Carried over as null from the approved build-list row, which supplies volume 500 and no keyword difficulty. Ahrefs returns no KD for this long-tail model term and no KD was fetched during this research pass, so the build list's null is preserved rather than replaced with an invented score. |
| seo.verification | Not yet run. The verification stamp is written by the independent verify loop after it re-derives the record's fields; it is null on every record until that pass completes. |
Every source behind this page
- Brand officialaccessed: 2026-09-03https://www.aquasana.com/under-sink-water-filters/claryum-2-stage/brushed-nickel-100391677.html
- Aquasana's own product page shows the AQ-6200 as 'In Stock' and orderable on 2026-09-03
- Aquasana describes it as its 'new and improved Claryum 2-Stage'
- Aquasana states a UV filter must be added to tackle bacteria and viruses when the system is used on well water
- Aquasana directs renters without a spare sprayer or soap-dispenser hole to the Claryum Direct Connect instead
- Claryum retains calcium, potassium and magnesium
- Replacement cartridges are changed every six months or 500 gallons
- Aquasana FAQ: 'Aquasana products reduce harmful dissolved solids like lead but selectively retain or replace healthy dissolved solids like calcium, magnesium, and potassium.'
- Product page badge: 'Recommended for Well Water — UV Filter must be added to tackle bacteria and viruses.'
- Aquasana FAQ for renters: remove the existing sprayer or soap dispenser and fit the faucet in its place; 'This option will not damage or permanently modify your plumbing.'
- 'If you do not have an existing hole in your sink from a sprayer or soap dispenser, we recommend our Claryum® Direct Connect'
- Product specifications: 'System Dimensions: 4.25" x 8.25" x 9" (L x W x H)'
- Aquasana FAQ: 'The T-fitting supplied with our under-sink systems is 3/8”.'
- Price block shows '$249.99 MSRP' struck through beside the sale price
- Sale price $124.99 on 2026-09-03, during a '50% OFF 2-STAGE UNDER SINK SYSTEMS' promotion
- Product JSON-LD offer: priceCurrency USD, price 124.99
- Aquasana FAQ: 'Our under-sink drinking water filter systems are easy to install, and a plumber is not required.'
- Aquasana rates it as owner-installable: 'easy to install, and a plumber is not required'
- Review structured data on the product page, Jul 16 2026: 'Once the hole was drilled in my countertop for the independent faucet, install was a breeze. The instructions were clear and easy to follow; minimal tools required.'
- Review structured data, Jul 16 2026: water was 'quite hard, with bad taste and actual sediment in the bottom of every glass … Our water is now clean and delicious, with absolutely nothing left in the bottom of the glass.'
- Aquasana FAQ on TDS: 'TDS meters tell you the concentration of dissolved minerals and metals but are not an accurate measurement for contamination. Aquasana products reduce harmful dissolved solids like lead but selectively retain or replace healthy dissolved solids like calcium, magnesium, and potassium.'
- Aggregate rating 4.4 from 1,150 reviews on the Claryum 2-Stage brushed-nickel page on 2026-09-03
- 'Claryum® 2-Stage: 500 gallon capacity' and 'Replace every 6 months.'
- 'Regularly changing the filters prevents the growth of bacteria in the system and enables your system to continue to deliver cleaner, healthier water.'
- 'TDS meters tell you the concentration of dissolved minerals and metals but are not an accurate measurement for contamination. Aquasana products reduce harmful dissolved solids like lead but selectively retain or replace healthy dissolved solids like calcium, magnesium, and potassium.'
- 'Purified water undergoes reverse osmosis or distillation, which strips everything out of your water - not only the contaminants, but also the healthy, natural minerals.'
- Aquasana FAQ: 'To install an under-sink system, you can remove the existing sprayer or soap dispenser on your sink and install our faucet in its place. This option will not damage or permanently modify your plumbing.'
- 'If you do not have an existing hole in your sink from a sprayer or soap dispenser, we recommend our Claryum® Direct Connect, which attaches directly to your cold water line'
- 'The faucet that is included with our systems requires a 1/2" hole.'
- Sale price $124.99 against '$249.99 MSRP' on 2026-09-03
- 'The available all-metal dedicated faucet comes in four finishes — Brushed Nickel, Chrome, Matte Black, and Oil Rubbed Bronze — so you can match your kitchen décor. We also offer a “No Faucet” option so you can use your own.'
- Aquasana FAQ: 'We also recommend that you install an NSF Certified faucet to ensure the health benefits of your new Aquasana water filter.'
- Retailer listingaccessed: 2026-09-03https://www.amazon.com/dp/B0FN9JF4X9
- AQ-6200-MB is an active, purchasable Amazon listing on 2026-09-03
- AQ-6200-MB listed at $134.99 on Amazon on 2026-09-03
- AQ-6200-MB is sold as its own SKU with UPC 816749016499
- WQA listingaccessed: 2026-09-03https://find.wqa.org/find-products/ctl/detail/mid/1054/cid/aquasana_inc/sid/3
- WQA lists AQ-6200 under NSF/ANSI 53 with reduction claims: Asbestos, Cyst, Lead, Mercury, Methyl Tert-Butyl Ether (MTBE), Perfluorooctane Sulfonate (PFOS), Perfluorooctanoic Acid (PFOA), Turbidity, VOC (as chloroform)
- Listed flow rate 0.5 GPM and capacity 500 gallons
- WQA's NSF/ANSI 53 reduction-claim cell for AQ-6200 reads: Asbestos, Cyst, Lead, Mercury, Methyl Tert-Butyl Ether (MTBE), Perfluorooctane Sulfonate (PFOS), Perfluorooctanoic Acid (PFOA), Turbidity, VOC (as chloroform) — with no fluoride, nitrate, arsenic or hardness entry
- Product Type: Plumbed-In to Separate Tap
- Flow Rate (GPM): 0.5
- Capacity (Gallons): 500; Replacement Element: AQ-C2-R
- WQA listing Flow Rate (GPM) for AQ-6200: 0.5
- WQA lists AQ-C2-R as the AQ-6200's replacement element with a 500-gallon capacity
- The footnote carried by the AQ-6200 row on the WQA NSF/ANSI 53 listing, numbered 10 as rendered on 2026-09-03: 'AQ-6200-CHR = Chrome; AQ-6200-BN = Brushed nickel; AQ-6200-ORB = Oil rubbed bronze ; AQ-6200-MB = Matte black'
- The listing's model number column carries a single entry, AQ-6200, for all four finishes
- WQA lists model AQ-6200 under NSF/ANSI 53: Drinking Water Treatment Units - Health Effects, listee Aquasana Inc.
- NSF/ANSI 53 reduction claims for AQ-6200: Asbestos, Cyst, Lead, Mercury, Methyl Tert-Butyl Ether (MTBE), Perfluorooctane Sulfonate (PFOS), Perfluorooctanoic Acid (PFOA), Turbidity, VOC (as chloroform)
- Product Type: Plumbed-In to Separate Tap; Flow Rate 0.5 GPM
- WQA lists capacity 500 gallons and replacement element AQ-C2-R for AQ-6200
- Product Type: Plumbed-In to Separate Tap; Flow Rate (GPM) 0.5; Replacement Element AQ-C2-R
- The NSF/ANSI 53 reduction-claim list for AQ-6200 contains no TDS entry
- The footnote carried by the AQ-6200 row, numbered 10 as rendered on 2026-09-03: 'AQ-6200-CHR = Chrome; AQ-6200-BN = Brushed nickel; AQ-6200-ORB = Oil rubbed bronze ; AQ-6200-MB = Matte black'
- One model row, AQ-6200, covers all four finishes
- Manufacturer datasheetaccessed: 2026-09-03https://www.aquasana.com/on/demandware.static/-/Sites-aquasana-Library/default/dw3c142e0f/PDF/AQ-6200_Performance_Data.pdf
- Performance data sheet states 'All contaminants reduced by this filter are listed' and 'Does not remove all contaminants that may be present in tap water'
- No fluoride, nitrate, arsenic, hardness or TDS claim appears on the sheet
- Rated flow 0.5 gpm, rated capacity 500 gallons, 20-80 psi, 40-90 °F
- 'Filter is only to be used with cold water'
- Verbatim bullet: 'Does not remove all contaminants that may be present in tap water.'
- Verbatim bullet: 'All contaminants reduced by this filter are listed.'
- The NSF/ANSI 42, 53 and 401 tables list no fluoride, nitrate, arsenic, hardness or TDS claim
- The sheet states that all contaminants reduced by the filter are listed
- Operating Temp. Range 40-90° F (4.44-32.2° C)
- 'Filter is only to be used with cold water.'
- No arsenic, nitrate or hardness claim appears in the NSF/ANSI 42, 53 or 401 tables
- Rated Flow 0.5 gpm (1.9 lpm)
- Operating Pressure Range 20-80 psi (137-551 kPa)
- The data sheet reports no waste-to-product ratio, consistent with a non-RO cartridge filter that sends nothing to drain
- No fluoride, nitrate, arsenic, hardness or TDS claim appears on the performance data sheet
- 'Does not remove all contaminants that may be present in tap water.'
- 'All contaminants reduced by this filter are listed.'
- Rated Flow 0.5 gpm; no fluoride, nitrate, arsenic, hardness or TDS claim in any table
- No TDS claim appears in the NSF/ANSI 42, 53 or 401 tables
- NSF/ANSI 42 table: 'Particulate Class I (particles 0.5 to <1 μm)'
- Manufacturer datasheetaccessed: 2026-09-03https://www.aquasana.com/on/demandware.static/-/Sites-aquasana-Library/default/dwac17cf6c/PDF/AQ-6200-6300-6300M_Install.pdf
- 'Do not use with water that is microbiologically unsafe or of unknown water quality without adequate disinfection before or after the system'
- 'Do not install this system where the line pressure may exceed 80 psi'
- 'Install on COLD water lines only (40° - 90°F)'
- System must be protected from direct sunlight and freezing temperatures
- Requires an existing faucet hole at least 1/2 inch in diameter; manifold needs a location at least 12 inches from the bottom of the cabinet
- 'Must replace housing every 5 years or risk property damage from leaks'
- Care & Safeguards page: 'Do not use with water that is microbiologically unsafe or of unknown water quality without adequate disinfection before or after the system.'
- Care & Safeguards page: 'Systems certified for cyst reduction may be used on disinfected waters that may contain filterable cysts.'
- Installation steps 2-7 connect a brass tee on the cold supply to the manifold and then to a supplied dedicated faucet; no step touches any other fixture
- 'It is recommended that your system be installed inside and out of direct sunlight. The system must be protected from both direct sunlight and freezing temperatures.'
- 'Do not install this system where the line pressure may exceed 80 psi. The operating pressure range for this filter is between 20-80 psi.'
- 'Install on COLD water lines only (40° - 90°F).'
- 'Once filters are at 95% capacity (about every 6 months), the battery alarm will sound and indicator light will turn red'
- Installation step 5A: 'Select a location under the sink that is at least 12" from the bottom of the cabinet to access system for scheduled filter changes.'
- Mounting-hole spacing: 'AQ-6200: 2.6"'
- 'Must replace housing every 5 years or risk property damage from leaks.'
- 'The filter housing sumps must be replaced every five years. Failure to do so could result in potential leaks due to product deterioration.'
- 'Do not use with water that is microbiologically unsafe or of unknown water quality without adequate disinfection before or after the system.'
- 'This system requires an existing faucet hole at least 1/2” in diameter in the sink or countertop to install the supplied dedicated faucet.'
- 'If drilling, we strongly recommend using a professional.'
- Installation step 2 attaches a brass tee between the cold water supply line and the shut-off valve
- Box contents list no power supply and the eight installation steps contain no electrical connection
- The only power in the system is a CR2450 3V lithium coin battery that runs the filter-change alert
- Box contents include no drain saddle or drain line, and the installation steps plumb only an inlet from the cold supply and an outlet to the dedicated faucet
- The manual sets out an eight-step owner installation with a recommended household tool list
- A professional is recommended only for the case where a new faucet hole has to be drilled
- Cartridges are replaced at 95% capacity, about every six months
- 'The filter housing sumps must be replaced every five years'
- Eight installation steps: shut off and disconnect the cold supply, fit a brass tee, mount a dedicated faucet through a 1/2-inch hole, drill 1/8-inch pilot holes and mount the manifold, attach two housings, connect supply lines and flush for ten minutes
- Recommended tool list includes a variable-speed drill, adjustable wrench, Phillips screwdriver, level, measuring tape, hammer, bucket and safety glasses
- 'If drilling, we strongly recommend using a professional. Please wear safety glasses when drilling.'
- 'Tools Recommended for Installation: Variable Speed Drill w/ 1/8" or 7/32" Bit, Adjustable Wrench, Philips Head Screwdriver, Level, Pencil, Measuring Tape, Bucket, Hammer, Safety Glasses'
- 'Drill pilot holes using a 1/8" bit. NOTE: If using anchors, drill pilot holes using a 7/32" bit.'
- Claryum Under Sink Water Filter Owner's Manual covering AQ-6200, AQ-6300 and AQ-6300M: box contents, care and safeguards, installation steps, filter replacement, troubleshooting, performance and certifications, warranty
- 'Once filters are at 95% capacity (about every 6 months), the battery alarm will sound'
- 'The battery will need to be replaced every time the filters are replaced. A battery is included with the filter replacement cartridges.'
- 'Compatible battery type: CR2450 Lithium Coin Battery' and the ingestion-hazard warning
- 'inspect each o-ring for damage. If misaligned, gently move the o-ring into place' and 'Do not lubricate the o-rings.'
- 'flush system for 10 minutes before drinking. NOTE: Do not drink flushed water.'
- 'The filter housing sumps must be replaced every five years.'
- 'To clean your system, wipe down the exterior with a damp cloth. Do not use any strong or abrasive cleaning agent or solvent cleaner.'
- Troubleshooting: 'Yes. Even in smaller households, we recommend replacing the filters every 6 months to ensure optimal filtration and great-tasting water.'
- 'This system requires an existing faucet hole at least 1/2” in diameter in the sink or countertop to install the supplied dedicated faucet. You may also replace an existing kitchen sink sprayer, soap dispenser, or use pre-existing hole on the sink or countertop.'
- Troubleshooting, 'What's the micron rating for each stage of the filtration system?': 'Pre-filter (if included): 5 microns' and 'Carbon filters: 0.5 sub-micron mechanical filtration'
- The AQ-6200 carries two housings (red and yellow) and no pre-filter; the pre-filter appears only on AQ-6300 and AQ-6300M
- Manufacturer datasheetaccessed: 2026-09-03https://www.aquasana.com/on/demandware.static/-/Sites-aquasana-Library/default/dw45f80600/PDF/AquasanaWarranty2-3-Stage1yr.pdf
- 'This Warranty does not cover filter cartridges'
- 'This Warranty does not cover damage caused by the use of parts that are not genuine Aquasana parts. This includes, but is not limited to replacement filters, faucets, and/or diverter valves.'
- Exclusions for clogging due to failure to replace cartridges and for failures due to sediment build-up
- Warranty exclusions: 'The water filter is installed in direct sunlight or exposed to freezing temperatures.' and 'The water filter is exposed to highly corrosive conditions.'
- Warranty exclusion: 'Damage caused by over-pressurization in the water line.'
- 'Claryum® 2, 3, and 3+-Stage 1-Year Limited Warranty'
- 'This Warranty runs for 12 months (365 days) from the date of purchase by a consumer'
- 'Registration of the product is not required to receive warranty coverage'
- Service contact is 'Aquasana (A. O. Smith Water Treatment (North America), Inc.)'
- Manufacturer datasheetaccessed: 2026-09-03https://www.aquasana.com/on/demandware.static/-/Sites-aquasana-Library/default/dwba731534/PDF/guarantee_one.pdf
- 'This offer is only applicable for products purchased directly from Aquasana.'
- 'you are responsible for return shipping costs'
- 'What is not covered: Labor costs to install or replace the system or filters.'
- 'we offer a 90-day, no questions asked, trial period'
- 'which begins on the day your order is placed'
- 'Your return must be received by Aquasana within 21 days of the RAC number being generated.'
- Retailer listingaccessed: 2026-09-03https://www.amazon.com/dp/B0FN9WVKM8
- AQ-6200-BN listed at $124.99 on Amazon on 2026-09-03
- Five-star review (Jul 31 2026): 'Easy install & easy filter change without spilling or tools. Filters are certified too.'
- Five-star review (Aug 25 2026): 'Easy install, works great to reduce micro plastics.'
- Five-star review (Aug 11 2026), 'Excellent Water Filter — We Can Really Taste the Difference!'
- One-star review (Aug 13 2026), 'Waste of time and money': 'Water out of the tap was basically the same as the water filtering system, 475 and 473 … The water from the filling system tastes like tap water'
- AQ-6200-BN rated 4.4 out of 5 from 151 reviews on 2026-09-03
- Retailer listingaccessed: 2026-09-03https://www.homedepot.com/p/Aquasana-Under-Sink-Drinking-Water-Filter-2-Stage-Reduce-up-to-99-99-of-78-Contaminants-Chrome-Faucet-AQ-6200-CHR/339013563
- Home Depot Internet # 339013563, Model # AQ-6200-CHR, listed at $124.99 on 2026-09-03
- Retailer listingaccessed: 2026-09-03https://www.homedepot.com/p/Aquasana-Under-Sink-Drinking-Water-Filter-2-Stage-Reduce-up-to-99-99-of-78-Contaminants-Matte-Black-Faucet-AQ-6200-MB/339013581
- Home Depot Internet # 339013581, Model # AQ-6200-MB, listed at $134.99 on 2026-09-03
- Brand officialaccessed: 2026-09-03https://www.aquasana.com/water-filter-replacements/under-sink-water-filter-replacements/claryum-2-stage-filter-replacements-100236330.html
- AQ-C2-R two-cartridge set priced at $73.99 on 2026-09-03 ($62.89 on the Water for Life subscription)
- 'This filter set replaces the filters in the Claryum® 2-Stage under sink water filter (AQ-5200 and AQ-6200).'
- Two sets a year at $73.99 is $147.98 a year
- AQ-C2-R replacement set priced $73.99 on 2026-09-03; 'This filter set replaces the filters in the Claryum® 2-Stage under sink water filter (AQ-5200 and AQ-6200).'
- AQ-C2-R set $73.99 on 2026-09-03, or $62.89 on the Water for Life subscription
- Retailer listingaccessed: 2026-09-03https://www.amazon.com/dp/B0FW6N2DDV
- Aquasana AQ-C2-SUMP replacement filter housing sumps, 2 count, fits AQ-5200 and AQ-6200, listed at $29.84 on 2026-09-03
- $29.84 spread over the manual's five-year housing interval is $5.97 a year
- Aquasana AQ-C2-SUMP replacement housing sumps, 2 count, $29.84 on 2026-09-03
- Brand officialaccessed: 2026-09-03https://www.youtube.com/watch?v=_r6CsjTas84
- Aquasana's own YouTube channel, 'How to Install your Aquasana Claryum® Under Sink System', described as 'How to install your AQ-6200, AQ-6300 or AQ-6300M Under Sink Water Filter.'
- Reddit threadaccessed: 2026-09-03https://www.reddit.com/r/phoenix/comments/1qgits1/water_treatment_options_in_condo/
- r/phoenix thread 'Water Treatment Options in Condo': the original poster states they have had an Aquasana Claryum 2-Stage under-sink filter for drinking water for a few years and is asking about additional whole-unit options
- Reddit threadaccessed: 2026-09-03https://www.reddit.com/r/WaterTreatment/comments/1l4dvcw/under_sink_water_treatment_advice_currently_have/
- r/WaterTreatment thread 'Under Sink Water Treatment advice - Currently Have Aquasana Under Sink': the original poster owns a Claryum under-sink filter; a commenter advises that to save money on filters, choose a system using standard-size filters and housings because those are cheaper
- Reddit threadaccessed: 2026-09-03https://www.reddit.com/r/WaterTreatment/comments/1p0t2c4/aquasana_under_the_sink_filter_noise/
- r/WaterTreatment thread 'Aquasana under the sink filter noise': owner reports a persistent noise from an under-sink Aquasana that stops when the battery is removed, and reports back that Aquasana support said it was the battery going even though it was fresh from the filter replacement set
- Unverifiedaccessed: 2026-09-03https://www.classaction.org/newsletter/issue-232
- ClassAction.org newsletter issue 232, dated March 23 2023: 'attorneys working with ClassAction.org are investigating whether a defect is causing Aquasana's Claryum under-sink water filters to leak during normal use – posing a risk of flooding and property damage – and whether a class action lawsuit can be filed in response'
- ClassAction.org newsletter issue 232, March 23 2023: 'attorneys working with ClassAction.org are investigating whether a defect is causing Aquasana's Claryum under-sink water filters to leak during normal use – posing a risk of flooding and property damage – and whether a class action lawsuit can be filed in response'
- Unverifiedaccessed: 2026-09-03https://www.classaction.org/aquasana-filter-leaks-lawsuit
- The investigation's own landing page returned 'Page Not Found' on 2026-09-03
- The investigation's landing page returned 'Page Not Found' on 2026-09-03
- Government agencyaccessed: 2026-09-03https://www.saferproducts.gov/RestWebServices/Recall?format=json&RecallTitle=Aquasana
- The CPSC recall API returned an empty result set for Aquasana across RecallTitle, RecallDescription, ProductName and Manufacturer, and for RecallDescription=AQ-6200
- A control query for RecallDescription=water filter returned real recalls on the same day, so the empty result is a genuine absence rather than a failed query
- The CPSC recall API returned no records for Aquasana on 2026-09-03, while a control query for 'water filter' returned real recalls
- Government agencyaccessed: 2026-09-03https://www.courtlistener.com/api/rest/v4/search/?q=Aquasana&type=r
- A CourtListener federal docket search for Aquasana on 2026-09-03 returned 21 dockets, of which one — Fox v. A.O. Smith Water Treatment (North America), Inc., 3:25-cv-01552 (S.D. Cal.), filed 2025-06-17 — is a putative consumer class action against this product's manufacturer
- None of the 21 is a product-defect action over the Claryum under-sink filters; the rest are the manufacturer's own trademark suits, patent (MiBev Creations v. A.O. Smith Water Treatment), securities (City of Birmingham Retirement and Relief System v. AO Smith), FTC Act, environmental (Michigan Department of Environmental Quality v. Wolverine World Wide), insurance-subrogation and bankruptcy matters
- A federal-docket search for Aquasana on 2026-09-03 returned 21 dockets, none alleging a defect in the Claryum under-sink filters
- By CourtListener's nature-of-suit field, the other 20 are five trademark and copyright suits, three civil-rights and disability-access cases, one patent (MiBev Creations v. A.O. Smith Water Treatment), one securities (City of Birmingham Retirement and Relief System v. AO Smith), one FTC Act (Federal Trade Commission v. Direct Marketing Concepts), one environmental (Michigan Department of Environmental Quality v. Wolverine World Wide), one property-damage product-liability claim against the State of Alaska and the City of Gustavus (Saracco v. State of Alaska), one insurer's suit against Aquasana for which CourtListener publishes no nature of suit, cause or docket entries (Farmers Insurance Company v. Aquasana, 4:23-cv-00191, filed 2023-05-09, terminated 2025-04-15), and six bankruptcy dockets; 14 of the 20 do not name Aquasana as a party
- Government agencyaccessed: 2026-09-03https://www.courtlistener.com/docket/70574174/fox-v-ao-smith-water-treatment-north-america-inc/
- Docket for Fox v. A.O. Smith Water Treatment (North America), Inc., 3:25-cv-01552 (S.D. Cal.): Date Filed June 17, 2025; docket entry 14, Oct 31, 2025, 'Notice of Voluntary Dismissal'
- Fox v. A.O. Smith Water Treatment (North America), Inc., 3:25-cv-01552 (S.D. Cal.), Date Filed June 17, 2025
- Docket entry 14, Oct 31, 2025: 'Notice of Voluntary Dismissal'
- Government agencyaccessed: 2026-09-03https://storage.courtlistener.com/recap/gov.uscourts.casd.819293/gov.uscourts.casd.819293.1.0.pdf
- Docket entry 1 in 3:25-cv-01552 is captioned 'CLASS ACTION COMPLAINT' and defines the defendant, A.O. Smith Water Treatment (North America), Inc., as 'Aquasana'
- Heading II.B: "Defendant's purported regular prices were not the prevailing prices during the 90 days immediately preceding Defendant's advertisement of the purported discounts"
- Causes of action pleaded: Cal. Bus. & Prof. Code §§ 17500 and 17501, the Consumers Legal Remedies Act, the Unfair Competition Law, breach of contract, breach of express warranty, unjust enrichment, negligent and intentional misrepresentation
- The category pages the complaint puts in issue include 'Under Sink Systems'; no count concerns filtration performance or safety
- Docket entry 1 in 3:25-cv-01552 is captioned 'CLASS ACTION COMPLAINT' and defines the defendant as 'Aquasana'
- Pleaded under California's False Advertising Law (Cal. Bus. & Prof. Code §§ 17500 and 17501), the Consumers Legal Remedies Act and the Unfair Competition Law (§ 17200)
- The advertising put in issue includes the aquasana.com 'Under Sink Systems' category page; no count concerns filtration performance or safety
- Government agencyaccessed: 2026-09-03https://www.courtlistener.com/docket/68749334/farmers-insurance-company-inc-v-aquasana-inc/
- Farmers Insurance Company, Inc. v. Aquasana, Inc., 4:23-cv-00191 (N.D. Okla.): Date Filed May 9, 2023, Date Terminated April 15, 2025; CourtListener publishes no nature of suit, no cause and no docket entries for it, so its subject could not be established
- WQA listingaccessed: 2026-09-03https://find.wqa.org/find-products/ctl/detail/mid/1054/cid/aquasana_inc/sid/29
- The NSF/ANSI/CAN 372 lead-content listing carries the same four-finish footnote against model AQ-6200
- AQ-6300 and AQ-6300M appear as separate model rows in the same WQA search results
- WQA listingaccessed: 2026-09-03https://find.wqa.org/find-products/ctl/detail/mid/1054/cid/aquasana_inc/sid/1
- WQA lists model AQ-6200 under NSF/ANSI 42
- NSF/ANSI 42 claims: Aesthetic Chloramine, Aesthetic Chlorine, Nominal Particulate Class I, Taste and Odor
- WQA listingaccessed: 2026-09-03https://find.wqa.org/find-products/ctl/detail/mid/1054/cid/aquasana_inc/sid/63
- WQA lists model AQ-6200 under NSF/ANSI 401
- NSF/ANSI 401 lists sixteen claims for AQ-6200, from Atenolol to Trimethoprim, including Microplastics
- NSF listingaccessed: 2026-09-03https://info.nsf.org/Certified/DWTU/Listings.asp?TradeName=AQ-6200&
- NSF's DWTU directory returned 'No Matching Products Found' for trade name AQ-6200 on 2026-09-03
- NSF listingaccessed: 2026-09-03https://info.nsf.org/Certified/dwtu/listings.asp?CompanyName=Aquasana&submit1=Search+by+Manufacturer&Program=DWTU
- NSF's DWTU directory lists Aquasana, Inc. with two products, AQ-UV-MF and AQ-UV-SF, both under NSF/ANSI 55; the AQ-6200 is not among them
- IAPMO listingaccessed: 2026-09-03https://myplc.iapmo.org/certificate#/18949
- IAPMO R&T file WP-10707, Aquasana Inc., NSF/ANSI 53-2021, lists models EQ-OPTM and AQ-MF-1 only
Cite this page
TapWaterData Editorial. "Aquasana AQ-6200 Review: Specs, True Cost & Cert Check." TapWaterData, verified 2026-09-03. https://www.tapwaterdata.com/filters/brand/aquasana/aq-6200
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