Because pools and spas are meant to be enjoyed!

Bioguard MSA™ Extreme

BioGuard MSA™ Extreme kills all types of algae in swimming pools. MSA Extreme contains a patented chelate that prevents staining that commonly occurs with other copper-based algaecides.

MSA Extreme is formulated for use in chlorine or bromine santised swimming pools of all surface and filter types. It does not affect pH.

Size: 946mL

Product description

Product Features:

  • 40% copper active as patented copper polyacrylate molecule.
  • Unique non-staining formula.
  • Withstands up to 50 ppm of chlorine.
  • Contains metal chelating products.


  • Built in water clarifiers.
  • Effective against all common and mutant strains of algae.
  • Long lasting algae prevention.
  • Will not stain pool surfaces.
  • Results can be seen in 24 hours.
  • Multi-functional formula clears water.

Size: 946mL

Additional information

Weight 1 kg
Dimensions 25 × 8 cm