Diatomaceous Earth (Filter Aid) 10lb Bag
Diatomaceous Earth enhances filter productivity in your DE filter in your pool or spa resulting in clearer water. Diatomaceous Earth is an all-natural filter powder that traps all kinds of micro-contaminants. The diatomaceous earth powder coats the filter grids of a DE filter, trapping all those micro-contaminants. You should replace your diatomaceous earth everytime you backwash your filter.