Spa Water Hardener
Increases calcium hardness levels in spas with Calcium Chloride.
Ideal Calcium Hardness level is between 200 – 300 ppm.
Application: 10 g increases Calcium Hardness by 10 ppm per 1,000 litres. Dosage rates indicated are only a guide.
Product should be pre-dissolved in a bucket of water.
Available in: 350g, 750g