Diatomaceous Earth Filter Pool. Backwash diatomaceous earth filters onto dirt. Although de powder is used for filter grids, it can be added to sand filters.
A diatomaceous earth filter is a filter, usually for swimming pools or drinking water, made of diatomaceous earth. Add more diatomaceous earth through the pool skimmer. Amazon's choice for diatomaceous earth for pool filter.
Other options new from $50.44.
It's used every day to purify everything from the water we drink, to waste water. Filter series parts, quad de filter parts, regenx grid element de filter parts, sm. How diatomaceous earth is treated determines whether it’s food chemical codex grade or pool grade (also known as filter grade). For every 5 square feet of pool, 1 lb.