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EDTA: A Harmful Synthetic Phosphate Alternative EDTA: (ethylene-diamino-tetra-acetate). A class of synthetic, phosphate-alternative compounds used to reduce calcium and magnesium hardness in water. EDTA is also used to prevent bleaching agents from becoming active before they’re immersed in water and as a foaming stabilizer. EDTA does not readily biodegrade and once introduced into the general environment can re-dissolve toxic heavy metals trapped in underwater sediments, allowing them to re-enter and re-circulate in the food chain. Found in: Laundry detergents. Source: GreenMarketPlace.com |