General-Purpose Water-Soluble Plant Food 20-20-20 is made from balanced nitrogen, phosphorus and potassium for use on all indoor and outdoor plants, trees, shrubs, vegetables, and turf. Feeds through both the roots and the leaves. More professional growers have used this product for all their growing needs than any other formula. It is a balanced blend with fully chelated trace elements that work well on all plant materials as a general-purpose fertilizer. Especially effective on indoor foliage plants to keep leaves green and healthy. Key Product Features Size: 25 Lb. Formula: 20-20-20 Provides fast green-up and great foliar expansion due to the high percentage of ammonium and urea nitrogen Balanced phosphorus and potassium for excellent root and shoot growth Works well on all plant materials—especially effective on indoor foliage plants