BioGuard MSA Extreme – Patented Copper-Based Algaecide for PoolsBioGuard MSA Extreme is a highly effective, patented algaecide for swimming pools, specially designed to tackle all types of algae, including green, black, and mustard algae. Unlike most copper based algaecides, MSA Extreme contains a unique metal chelating agent that keeps copper suspended in pool water longer. This ensures more efficient algae control without staining pool surfaces or causing metal plating. Eradicates all types of algae in swimming

its metal‑free formula prevents and controls all common algae types while remaining gentle on surfaces and equipment

Prevents common water issues — Correct alkalinity reduces staining

Contains 650g/kg available Bromine and 280g/kg available chlorine

3/4" garden hose connection for convenient drainage

Ideal for swimming pools and especially saltwater pools needing supplemental chlorine

000 litres

BioGuard Spa Velvet Softens spa water to make it velvety smooth and adds a lovely fragrance

Ideal for pools affected by oils

Destroys organic waste

Non‑foaming and safe for spas

prevent algae growth

long‑lasting