Check the listing for details. Poolife Algaecide 90 - 1 qt - 2 Pack. Condition: New. Listed at 77.49 USD. Poolife Algaecide 90 is a must-have for pool owners who want to keep their swimming pools crystal clear and free of algae. This powerful algaecide is designed to provide long-lasting protection against a variety of algae types, including green, black, and mustard. Its unique formula lasts up to three months, providing hassle-free maintenance for your pool. Plus, it's compatible with a range of sanitizing systems, so you don't need to worry about compatibility issues. Best of all, you can swim just 15 minutes after treatment, so you can enjoy your pool right away! Trust Poolife Algaecide 90 to keep your pool algae-free and sparkling all season long. Dosage: One treatment of this patented formula will help prevent algae growth in your swimming pool for up to three months Use against green, mustard and other swimming pool algae Swim just 15 minutes after treatment Compatible with bromine, chlorine, salt chlorine generators, ozone and mineral systems