Natural Chemistry - PHOSfree Extra Strength Phosphate Remover 3L

Natural Chemistry PHOSfree Extra Strength is used to remove high amounts of phosphates from pool water. Phosphates are a nutrient source for algae.

• Specifically designed for large water application
• Works on both the filter and in the pool for maximum phosphate removal
• Easily maintains low levels of phosphates in the largest volumes of water
• Strongest formulation available on the market