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$14.61
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B7028 Blue Devil Solution A Calcium Hardness Test
Home/Shop/Pool & Spa Test Kits/

B7028 Blue Devil Solution A Calcium Hardness Test

$8.37

Item ID: 243206

Out of stock

Stock is Correct,
Even if you contact us to check.😀

New Product

SKU: B7028
Category:

Calcium Hardness Test Solution A made by Blue Devil B7028

Directions:

  1. Rinse vial marked Hardness?Alkalinity and fill to line A with water to be tested.
  2. Add 2 drops of Hardness Solution A and swirl to mix. A violet color will develop if Hardness is present
  3. Add Hardness solution B in drops until color changes to a permanent blue.
  4. 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.
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