Moisture-proof how to read a hard water test strip
2020-7-10 · 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. 1. Take the strip out of the bag without touching the testing area. 2. Dip the strip in your tap water for a second or two. 3. Compare the color on the strip to the chart on the package.
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