Pool Filter Diatomite Powder CAS 68855‑54‑9 is flux‑calcined diatomite powder specially used as replacement filter media for DE swimming pool filtration equipment. Optimized particle‑size distribution forms stable pre‑coat layer on filter grids. It effectively removes fine dirt, organic debris, algae spores and micro suspended impurities from circulating pool water. Good permeability lowers back‑washing frequency. Low leachable impurities, safe for recreational water system, widely adopted for h

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