Water Hardness Test Color Chart

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

Water hardness test color chart. 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. After filling a glass with cold water from your bathroom sink insert the test strip for several seconds and then remove it. Water softeners will correct hard water of more than 270 mg l. How to test for water hardness.

Before you can do anything about hard water you need to confirm that s the actual problem. Water hardness scale chart. Complete color matching within 10 seconds. This is the measure of the amount of calcium and magnesium dissolved in your water.

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. A typical water hardness test kit strip measures hardness from 0 1000 ppm or from 0 59 grains of hardness. You can purchase a test kit from a home improvement store for 5 to 10 or request a free water test strip from us. Water softer than 30 to 50 mg l may be corrosive to piping depending on ph alkalinity and dissolved oxygen.

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. Remove the strip and shake once briskly to remove excess water. 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. A hard water kit includes test strips and a color chart.

Ppm 0 250 500 mg l copper cu 1 cu 2 test procedure. The hardness of high quality water should not exceed 270 mg l 15 5 grains per gallon measured as calcium carbonate. Culligan claims that 85 of the us has hard water. A typical water hardness test kit strip measures hardness from 0 1000.

A typical water hardness test kit that uses water strips provides with each strip a color chart.