With over 40 years of label recognition, Wiggle Worm Soil Builder™ PURE Earthworm Castings (1-0-0) deliver a simple, odorless, pet-safe, and organic way to improve and maintain the health and vitality of plants, shrubs, gardens, lawns, and more. PURE Earthworm Castings promote luscious growth and are higher in bacteria, organic matter, total and nitrate nitrogen, exchangeable calcium, magnesium, available phosphorus, potassium, pH, and percentage base saturation and cation exchange capacity. PURE Earthworm Castings contain rich proportions of water soluble nutrients for incredible results. Because earthworms grind and uniformly mix nutrients in simple forms, Wiggle Worm Soil Builder allows plants to quickly and easily absorb all essential nutrients and trace elements.