Pool Warehouse
Pool Warehouse

Spa Water Hardener

Safety - See packaging or download the MSDS here

Increases calcium hardness levels in spas.

Calcium Chloride. 

Ideal Calcium Hardness level is between 200 – 300ppm

Application:  10g increases Calcium Hardness by 10ppm per 1,000 litres.  Product should be pre-dissolved in a bucket of water.

Dosage rates indicated are only a guide



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