Hard water is formed when water percolates through deposits of limestone chalk or gypsum which are largely made up of calcium and magnesium carbonates bicarbonates and sulfates.
Water hardness testers.
Using a hard water test strip a color develops on the strip and the strip is matched to a chart.
Test strips are also available for measuring hardness.
These water hardness test strips are best suited to giving you an approximate range of your water hardness.
Hard water is not a health concern but it can lead to excessive scale buildup in water pipes boilers hot water heating systems and other equipment that uses water.
Test strips can give you results in as little as 15 seconds and can give you a more accurate measurement of the level of hardness in your water.
This complete easy to use kit provides all containers needed.
The chart shows colors for concentrations of 0 25 50 120 250 and 425 ppm or 1 1 5 3 7 15 and 25 gpg.
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Water systems using groundwater as a source are concerned with water hardness since as water moves through soil and rock it dissolves small amounts of naturally occurring minerals and carries them into the groundwater supply water is a great solvent for calcium and magnesium so if the minerals are present in the soil around a water supply well hard water may be delivered to homes.
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Why trust the spruce.
Take the strip out of the bag without touching the testing area.
Hard drinking water may have moderate health benefits but can pose critical problems in industrial settings where water hardness.
After filling a glass with cold water from your bathroom sink insert the test strip for several seconds and then remove it.
Use hard water test strips when a general range for hardness is sufficient.
You can purchase a test kit from a home improvement store for 5 to 10 or request a free water test strip from us.
A hard water kit includes test strips and a color chart.
Hard water is water that has high mineral content in contrast with soft water.
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