Calcium Hardness Tablets (tablet count method)

Product Description: Calcium Hardness tablets used for testing the calcium hardness level in pool water.

Quantity: 250 tablets per bottle

Testing Method: These tablets are added one-by-one to a 100ml sample of pool water. The water will then turn from pink to bright purple. The calcium hardness level is then determined by the following formula
Calcium Hardness Level (ppm) = (number of tablets it takes to turn bright purple x 20) - 10

Other Information: You will also need a 100ml dilution tube to perform this test.