The #1 additive for hydroponics and soil gardeners worldwide since 1991. A natural-organic molasses-kelp based liquid nutrient that aids plant growth and production. To be used as part of a complete fertilization program through all stages of plant development. Also functions as an excellent finishing formula for determinate plants. May be used solely or in conjunction with all soil and hydroponic fertilizers. Earth Juice Catalyst is formulated to be used on indoor or outdoor plants in soil and hydroponic systems