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BioGuard Algicide 28-40 eco algaecide for swimming pools

BioGuard Algicide 28-40

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BioGuard Algicide 28-40 is an economical and effective algaecide designed for pools without an attached spa or water feature. This algaecide can foam under turbulent conditions.

• Works with either chlorinated or brominated systems

• Excellent mid-priced algaecide for commercial applications


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

Initial treatment: 16oz per 25,000 gallons

Maintenance: 4oz per 25,000 gallons every 5-7 days and after heavy rains/refills