Check the listing for details. Celatom Diatomaceous Earth DE Pool Filter Aid Pool/Spa Filtration-25 Lbs (2 Pk). Condition: New. Listed at 51.99 USD. Celatom diatomaceous earth (DE) for swimming pools provides the ultimate in water clarification for a pool or spa that truly sparkles. DE is the most efficient dirt removing filter aid available, removing particles down to 2 microns. A properly balanced pool, using DE filter aid, gives you the clarity and quality you're looking for, reducing the use of chemicals and disinfectants.The #1 DE filter media in the world for swimming pools. The difference is clear.Harness the power of EP Minerals Celatom Diatomaceous Earth in your pool filter for superior water clarity, capturing even the tiniest impurities with ease.Enhances filter productivity reducing chlorine & shock use. Filters out particles associated with recreational water illnessCelatom diatomaceous earth (DE) for swimming pools provides the ultimate in water clarification for a pool or spa that truly sparkles. DE is the most efficient dirt removing filter aid available, removing particles down to 2 microns. A properly balanced pool, using DE filter aid, gives you the clarity and quality you're looking for, reducing the use of chemicals and disinfectants.The #1 DE filter media in the world for swimming pools. The difference is clear.Harness the power of EP Minerals Celatom Diatomaceous Earth in your pool filter for superior water clarity, capturing even the tiniest impurities with ease.Enhances filter productivity reducing chlorine & shock use. Filters out particles associated with recreational water illness