Applied Biochemists Black Algaetrine is the solution to your black algae problems. Its patented formula effectively kills even the most resistant strains of black algae, penetrating deep to the roots. With only 3.07% active copper, you won't have to worry about rebalancing your pool water. Trust in the expertise of Applied Biochemists for all your pool chemical needs.
How to use:
- Dilute in a bucket with at least nine parts of water before applying.
- To remove black deposits: Brush areas vigorously with a stiff or special algae brush immediately prior to application. This will help break up the black algae colonies that have formed.
- Apply Black Algaetrine (12 oz. per 10,000 gallons).
- Brush again once each day for two days following application. Remove any settle algae by vacuuming. Reapply treatment if necessary