This activator stimulates optimal fruiting sites, and can triggers early yields. Catalyst also encourages compact branching. Catalyst is highly concentrated, easy to use, dust free, and contain no salt-building chemicals. Works well in soil and soilless medias and for indoor or outdoor use. Best to use in conjunction with other NPK fertilizers. Derived from: oat bran, kelp and other organic ingredients. Application rate: Hydroponics: Add between a scant 1/2 teaspoon (normal)-3 tablespoons (extra strong) per gallon a nutrient solution. Foliar Spray: Use between 1-4 teaspoons per gallon. Soil and soilless: Use between a scant 1/2 teaspoon (normal)-3 tablespoons (extra strong) per gallon. Outdoor gardens: Mix between 1 tablespoon-4 tablespoons per gallon of water, using 1 gallon of solution per 100 sq. ft. Apply every 4 weeks. Approved by OMRI for organic crop production.