Item #: T76
Our Price: $14.99 $4.99
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Package of 50 white plastic-backed paper test strips with instructions and a color chart. These read total hardness from 0 - 500 parts per million. A good way to see how much total hardness your water has before deciding whether to add gypsum (gypsum adds about 163ppm of hardness per teaspoon when added to 5 gallons).


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