Keep your pool pristine with Leslie’s Algae Control. Effective against stubborn algae, this versatile algaecide works in regular and saltwater pools, provides added protection when chlorine drops, and prevents staining due to its metal-free composition.
Leslie’s Algae Control is a versatile algaecide that is effective at preventing and treating most forms of algae in swimming pools or spas. It’s particularly useful in helping prevent more stubborn algae such as mustard/yellow algae from growing. Keeping the water sanitized, having proper filtration and circulation as well as balanced water chemistry levels are key when it comes to preventing algae. If you are away for a short period of time, adding a polyquat algaecide like Leslie’s Algae Control helps prevent algae if your chlorine sanitizer level gets too low. Algae Control is compatible with saltwater chlorinated pools as well. Since Algae Control is non-metallic or contains no metals, it will not cause staining like some other algaecides potentially can.
Routine Usage Directions for Swimming Pools
Routine Usage Directions for Spas, Hot Tubs, and Water Features
Please Note: When using Algae Control, we recommend that the Free Available Chlorine (FAC) level be 10 ppm or less to prevent algaecide deterioration.
Routine use: 2-4 oz. per 10,000 gallons
Initial treatment: 11-16 oz. per 10,000 gallons
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