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
$15.00