BioGuard Back Up Algaecide - 32 oz. Pool Algaecide - 6 Bottles

 - In-ground Swimming Pools
 - Above-ground Swimming Pools

BioGuard Back-Up Algae Inhibitor is specially formulated to work with chlorine in preventing and killing all types of algae. BioGuard Back-Up's residual effectiveness stays in the water until it is needed and tends to stabilize the total chemical treatment. It is also the integral third step in the "3-Step System" from BioGuard.

 - 40% active ingredient
 - Powerful wetting agent
 - Prevents all types of algae growth
 - Works with chlorine
 - Does not evaporate
 - Works in all pH ranges
 - Activity increases as water temperature rises
 - Concentrates on all surfaces
 - No mixing required
 - Non-staining; non-corrosive

Directions:

 - Use 32 oz. per 25,000 gallons initially
 - Use 2 oz. per 5,000 gallons every two weeks
 - Distribute directly into the pool water

Meets or exceeds all industry standards and specifications. If you need additional information on this product please contact us.