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Verify your water hardness level
This easy to use home test kit is an ideal way to verify your water hardness level prior to purchasing a water softener or use it as a random check that your current softener is performing correctly. This is a simple chemical kit, just count the drops into the tumbler with a measured amount of water. Each drop counts as 20 ppm of hardness, count the drops until the sample turns blue. Results in minutes.
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