Free Water Test
To receive a free water test to check your water hardness, please fill in the brief form below and we will send one out to you right away.
Fields marked with an * are required.
Test Strips—Follow the instructions on the test strips. If the color on your test strip is between two readings, use the higher number. This number gives the hardness in grains per gallon and parts per million (mg/L).
You may also choose to have your water tested at a Testing Laboratory. To ensure proper settings, have a sample of your untreated water tested for iron and pH. To find a facility to test your water sample, check your Yellow Pages under Water Analysis or Water Testing or contact the company listed below to conduct a test for you.
National Testing Laboratories, Inc.
1-800-458-3330 from 9 a.m. to 5 p.m. EST
Note: For municipal water, call the water department to determine the hardness and pH of your water supply.
For well water, use the hardness test strips provided with your appliance or have a sample of your untreated water tested by a water testing laboratory.