Water Hardener (Calcium Chloride) - Backyard Pool Chemicals

Water Hardener Calcium Chloride effectively maintains optimal water hardness in your pool. Insufficient calcium can damage pool surfaces, cause plaster deterioration, and lead to corrosion of equipment such as heaters and pumps. Increasing calcium hardness with this product safeguards your pool infrastructure and ensures clear, healthy water.

• Enhances calcium hardness to protect against etching, scaling, and surface degradation. Helps clear cloudy water resulting from mineral imbalances. Protects pool equipment by minimizing corrosion, extending its service life. Features a fast-dissolving, easy-to-apply formula. Compatible with all pool types, including plaster, fiberglass, vinyl, and concrete.

Dosing Guidelines: 

Test your pool or spa using Aquachek test strips then work out your required dosage. 

To raise calcium hardness by 10ppm add 150gram per 10,000l with the filter system running. Distribute the dissolved water hardness evenly across the surface and circulate for at least 2-4 hours. Use no more than 2kg per dosage.