Heavy Duty Black Spot & Algae Killer
SPA Hardness Raiser
- Available in 500g bottle
PRODUCT SAFETY RECALL
ASTRALPOOL GAS HEATERS.
ASTRALPOOL SPA HARDNESS RAISER increases the calcium levels in spa water.
At the correct levels, calcium helps protect spa surfaces and equipment from corrosive water.
Active Constituent: 990g/kg CALCIUM CHLORIDE
Dosage per 1,000L:
15g increases the Calcium Hardness by 10ppm