BioGuard Algae Complete Dual-Action Algaecide

Prevents and eliminates green, mustard, and black algae with a powerful dual-action formula combining quaternary ammonium compounds and copper. This non-foaming liquid algaecide works in all pool types including saltwater systems.

Key Features

• Dual-action formula with 6.50% poly quaternary ammonium and 3.3% metallic copper
• Non-foaming and non-staining liquid concentrate
• Compatible with chlorine, bromine, and saltwater sanitizing systems

For prevention, add 8 fl oz per 10,000 gallons initially, then 1.5 fl oz weekly. Double the initial dose (16 fl oz per 10,000 gallons) when treating visible algae blooms.