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SKU: 016896

Malibu Black Algae Killer

$20.99 $39.99
Shipping calculated at checkout.

ALL SALES FINAL - Read More

During our Total Liquidation Sale, all sales will be final for purchases made on or after 9/3/2026. Exchanges are permitted only for merchandise that is defective or damaged upon receipt. For issues covered under a manufacturer's warranty, please contact the manufacturer directly.

To read more about this sale, please see our FAQ page.
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Black algae is one of the most difficult varieties to control and eliminate. This algae can appear as a blackish discoloration, or a tar-like deposit. Use Malibu Black Algae Killer to eliminate and prevent algae in your swimming pool water.

  • 1 quart bottle
  • Unique, blended formula
  • Non-metallic, non-foaming
  • Effective over broad pH range
  • Formulated to kill and prevent the development of black algae
  • Also kills black algae, green mustard and red algae
  • Dosage: 12 oz. per 10,000 gallons of water
  • Prevent algae: 2-4 oz. per 10,000 gallons of water
  • Kill algae: 11-17 oz. per 10,000 gallons of water


This product is considered a "hazardous material," is air-restricted and cannot be shipped to Alaska or Hawaii.

All Chemical sales are final. 

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