Spa Water Hardener (500g)

International Quadratics’ Spa Solutions Water Hardener Increases the calcium hardness levels in spas.

The ideal Calcium Hardness level for spa water is between 200 – 300 ppm.

Contains: Calcium Chloride

This product comes in one size, 500g 12/ctn.

Brand:  International Quadratics

10 g of this product increases the Calcium Hardness by 10 ppm per 1,000 litres of spa water

Dosage rates indicated are only a guide, and you should consult your local pool/spa professional for further information.

Note: Spa Water Hardener should be pre-dissolved in a bucket of water before applying to the water.