Calcium Hardness Test Kit made by Blue Devil B7320
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.
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We sells only brand new products; however, we do not provide any warranty coverage ourselves, nor do we guarantee manufacturer warranty eligibility.
It is the sole responsibility of the purchaser to verify whether a product qualifies for warranty coverage prior to making a purchase.
We strongly recommend contacting the product manufacturer directly to confirm warranty eligibility.
By completing your purchase, you acknowledge and agree that we are not liable for warranty coverage or support if the manufacturer refuses to honor the warranty based on their policies.
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