DE Powder in compost


TFP Expert
Platinum Supporter
May 23, 2015
Tucson, AZ
It's not going to break down into anything and will likely cake up and make the consistency of the compost difficult to work with. It's also a mild insecticide in that the silica particulates will cut up the outer layers of worm skins or remove the waxy coatings on insect shells. So the compost will kill anything trying to burrow in or through it.

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