| 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.
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| 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. |
Health and Safety | Click here for a MSDS sheet for Calcium Builder. |
Pool Customers 
