Water Hardness Test Color Chart

Match the color on the strip after you wet it with your test water against the color chart to see the hardness of your water sample measured in ppm or gains.

Water hardness test color chart.

Water hardness scale chart. Look for your area on the map to see if you re likely to have it in your home. Wait 25 seconds then match to the color chart above. Complete color matching within 10 seconds.

Before you can do anything about hard water you need to confirm that s the actual problem. A hard water kit includes test strips and a color chart. Water softer than 30 to 50 mg l may be corrosive to piping depending on ph alkalinity and dissolved oxygen. Ppm 0 250 500 mg l copper cu 1 cu 2 test procedure.

A typical water hardness test kit that uses water strips provides with each strip a color chart. Treated or softened water 0 1 gpg total grains x 17 1 equals ppm slightly hard 1 2 gpg total grains x 17 1 equals ppm medium hard 3 7 gpg total grains x 17 1 equals ppm hard 7 10 5 gpg total grains x 17 1 equals ppm extremely hard water 10 5 gpg total grains x 17 1 equals ppm. Dip one test strip into a 200ml 8oz water sample for 15 seconds with a constant gentle back and forth motion. A typical water hardness test kit strip measures hardness from 0 1000.

A typical water hardness test kit strip measures hardness from 0 1000 ppm or from 0 59 grains of hardness. The hardness of high quality water should not exceed 270 mg l 15 5 grains per gallon measured as calcium carbonate. Remove the strip and shake once briskly to remove excess water. Contingent upon where a water test is performed this data will be accounted for in mg l milligrams per liter or gpg grains per gallon.

You can purchase a test kit from a home improvement store for 5 to 10 or request a free water test strip from us. Match the color on the strip after you wet it with your test water against the color chart to see the hardness of your water sample measured in ppm or gains. Culligan claims that 85 of the us has hard water. How to test for water hardness.

Grains per gallon is the business standard approach for talking about water hardness.