Calcium Builder

Chemical Calcium Chloride
Function Increases the calcium hardness of the water. It is only required in soft water areas where the water supply does not contain sufficient levels of calcium.
Pool Dose 1kg (10 scoops) will increase the calcium level by 12ppm in a 10,000 gallon pool.
Spa Dose 100 grams (1 scoop) will increase the calcium level by 50 ppm in a 1,000 litre spa.
Dosing Method Add directly to the pool or spa and brush if necessary to help it dissolve.
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