Properties
Hardness (Total)
Health Guideline Level (HGL)
0 ppb
Maximum level that poses minimal health risk based on the latest science
Health Effects
Common Sources
How to Remove It
Water filters certified under the following NSF standards are effective at removing Hardness (Total):
Health Guideline Level
The HGL represents the maximum level that poses minimal health risk based on the latest scientific research. It's often more protective than federal legal limits.
Contaminant Type
Hardness (Total) is classified as a Properties contaminant.
Check Your Water
Find out if Hardness (Total) is in your tap water.
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