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

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

Benefits:

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