Poolife PhosFIGHT+ 32 fl. oz. Poolife's Exclusive Pool Care Collection Phosphate Remover Poolife's PhosFIGHT+ 3-in-1 Concentrated Formula is a powerful weekly treatment, expertly designed to remove phosphates, clarify water, and combat unsightly waterline build-up. By targeting phosphates, the primary nutrient source for algae, it effectively prevents algae growth before it even begins, ensuring your pool remains crystal clear and inviting all season long. Key Features: 3-in-1 Concentrated Weekly Formula. Removes Phosphates: the main food source for algae. Clarifies Water Prevents Waterline Build-up. Easy to use phosphate remover Powerful results with half the dose of other comparable products Poolife Phosphate Plus Dosage: 1 fl. oz. per 5,000 gallons of pool water weekly to fight phosphates 2 fl. oz. of Poolife PhosFIGHT+ Weekly for Every 10,000 Gallons of Water. Directions for Use: Shake your bottle of Poolife PhosFIGHT+ before use. Make sure the water is circulating Add 2 fl. oz. of Poolife PhosFIGHT+ directly into the skimmer Allow the pump to run for a minimum of 12 hours before applying this product Ingredients: Lanthanum salt derivative - CAS: Propreitary Water - CAS: 7732-18-5 Download the MSDS (Material Safety Data Sheet).