Natural Chemistry PHOSfree Phosphate Remover, 3 L Bottle | 15121NCM C7470 This set includes all grids

This set includes all grids needed for one complete filter re-grid: 7 full grids (FG-1003) + 1 partial grid (PG-1903)

add 1 capful per 8

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

scrubbing of the waterline and unpleasant odors

Natural Chemistry PHOSfree Phosphate Remover, 3 L Bottle | 15121NCM C7470 This set includes all gridsNatural Chemistry PhosFree 3 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: Most effective way to remove phosphates prior to using a weekly maintenance product Works in the filter (no clouding of the pool water) Reduces phosphates down to near zero Reduces pool maintenance No Phosphates No Problem