Natural Chemistry Phosfree Extra Strength Phosphate Remover, 1 Liter Bottle | 15025NCM Filter Cartridges & Media Compact Pool Defender protects the

Compact Pool Defender protects the pool from galvanic corrossion and is also certified as a water bonding device

Unicel rates this cartridge at 45 sq

minimizing maintenance when re-opening the pool in spring

Works great with higher pH (7

keeping your pool protected during the winter season

Natural Chemistry Phosfree Extra Strength Phosphate Remover, 1 Liter Bottle | 15025NCM Filter Cartridges & Media Compact Pool Defender protects theNatural Chemistry PhosFree Extra Strength 1 L Bottle No phosphate build up No Algae Less Filter Maintenance Less vacuuming and cleaning Reduced pool maintenance Enhances any sanitizer program Features and Benefits: Quickly reduces high phosphate levels Specifically designed for high level phosphate removal Easily maintains low levels of phosphates in even the largest volumes of water