Foundation for all stages of growth. Catalyst for other fertilizers can be used as stand alone will not burn your plants stimulates root growth. FoxFarms most popular product. Enhances taste and smell. Omri Listed. CDFA listed. carefully selected blend of premium grade worm castings and bat guano. potent, fast-acting source of nutrients. Balanced element mix (0.01-0.3-0.7). Liquid concentrate is mixed 4 tablespoons per gallon of water.