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Prevents etching of concrete and grout
Cut-out for a secure hold
Assorted styles
Steady release of chlorinating product
Phos Kill 1L Prevents etching of concrete andBioGuard Phos Kill will remove phosphates from pool water, preventing algae growth. Using this product makes pool sanitation more efficient against green pools and can reduce chlorine consumption. Prevents algae growth by removing phosphates, a major food source for algae Neglible effect on water balance Useful for pools exposed to phosphate rich environments, such as swimming pets, birds, heavy rain, garden beds, floods, dust storms and areas with
