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BioGuard Banish®

BioGuard Banish®

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BioGuard Banish® is aggressive in its targeting of algae and can kill any type of algae in your pool. Results within 24 hours

  • 3.3% copper
  • pH 2.4
  • Results in 24 hours
  • Non-foaming
  • Multi-purpose—use in chlorine or bromine pools with all surfaces or filter types

The BioGuard Banish algaecide’s fast acting formula will produce results in 24 hours. The highly effective patented blend is designed to seek out and kill the algae that has found its way into your pool. When used per label instructions in combination with a proper shock treatment all but the most persistent algae will be killed.


Always follow label instructions, dosages are provided here to inform your purchase decisions. These dosages are not meant as a replacement for label instructions.

Visible Algae Growth: 16 oz per 10,000 gallons of water.

In cases of persistent algae, repeat brushing and product application after 2-4 days.

Initial prevention dose: 8 oz per 10,000 gallons of water.

Maintenance prevention dose: 1.5 oz per 10,000 gallons of water weekly or 3 oz per 10,000 gallons of water every other week.