Leslie’s Black Algae Killer is a concentrated pool algaecide formulated specifically to eliminate and prevent black algae growth in swimming pools. This targeted treatment also helps control mustard algae and other stubborn algae problems while supporting cleaner, clearer pool water. Designed for routine preventative care and corrective algae treatment, it provides an effective solution for ongoing pool maintenance and algae control.
Pro-Tip: Brush affected algae areas prior to application for improved treatment coverage.
Dosage: Visible Algae Growth: Add 12 oz. per 10,000 gallons of pool water.
Maintenance Treatment: Add 2 oz. every 2 weeks.
Keys to Proper Pool Care
Clean and Maintain
Skim the surface, empty skimmer baskets, and vacuum the pool (manually or with an automatic cleaner) to remove debris and ensure a clean starting point.
Test the Water
Use a test kit or strips to check your water chemistry and identify which adjustments or chemicals are needed.
Add the Chemicals
Add the necessary chemicals to bring your pool chemistry back into proper balance.
Relax and Enjoy
Sit back and enjoy your pool with confidence, knowing your water is clean, clear, and ready for swimming.