MSA Extreme 946ml

Regular price $91.75
Unit price

BioGuard MSA Extreme is a patented, non-staining, highly concentrated copper-based algaecide powerful enough to kill all types of algae in swimming pools.

It is formulated to insure against instances of ‘green hair’, water discolouration and pool surface staining so often encountered with copper-based algaecides.

  • Newly improved product has been formulated to increase the hold of copper in pool water, for more effective algae control.
  • With added flocculants and clarifiers.


  • Compatible with both chlorine and bromine systems.
  • For use in pools of any surface and filter type.
  • Also clarifies pool water.

40g/L Copper Active present as Copper Sulphate Pentahydrate

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