HTH Pool Care 1 Qt. Liquid Phosphate Remover

Source water, decaying leaves, or chemicals like lawn fertilizers can create phosphates in your swimming pool water, which in turn feed stubborn algae. This concentrated formula phosphate remover works hard to eliminate phosphates and stop algae at the source, creating crystal clean swimming pool waterall in just 24 hours. Great for all swimming pools including vinyl-lined and salt water systems.