B7029 Blue Devil Solution B Calcium Hardness Test

$8.00

Item ID: 206738

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SKU: B7029
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Calcium Hardness Test Solution B made by Blue Devil B7029

Directions:Rinse vial marked Hardness?Alkalinity and fill to line A with water to be tested.Add 2 drops of Hardness Solution A and swirl to mix. A violet color will develop if Hardness is presentAdd Hardness solution B in drops until color changes to a permanent blue.Calculation: Multiply the number of drops by 50 to determine the Hardness in parts per million (expressed as calcium carbonate).Example: 7 drops X 50 = 350 ppm Hardness.

  • Ideal Hardness is 200-400 ppm. If your water tests over or under this range, consult a pool store specialist for advice.
UPC: 011315163335

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