With strong label recognition and over 35 years on the market, Wiggle Worm Soil BuilderTM Always PURE Earthworm Castings (1-0-0) is an odorless and nontoxic, natural organic fertilizer and outstanding soil amendment. The worms used in the making of this product are only fed organic ingredients and their castings will not burn plants or wash away. These earthworm castings rival chemical fertilizers in their nutrient composition by providing a concentrated source of calcium, magnesium and nitrogen, as well as many more trace minerals and growth hormones.
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