HOW HARD IS MY WATER?
Enter your zip code and see if you live in a hard water area with our water hardness tool. Lots of people live in hard water areas without knowing. How hard is your water?
HOW IS HARD WATER MEASURED?
Hard water is measured in parts per million (PPM) and how many particles of hardness are dissolved in the water per million particles gives a rating. This rating has been developed over time to the following categories:
PPM | WATER HARDNESS |
---|---|
0 - 50 PPM 0 - 2.917 GPG |
Is soft. |
51 - 100 PPM 2.975 - 5.835 GPG |
Is moderately soft. |
101 - 150 PPM 5.893 - 8.752 GPG |
Is slightly hard. |
151 - 200 PPM 8.811 - 11.670 GPG |
Is moderately hard. |
201 - 275 PPM 11.728 - 16.046 GPG |
Is hard. |
276 - 350 PPM 16.104 - 20.422 GPG |
Is very hard. |
350+ PPM 20.422+ GPG |
Is aggressively hard. |