CleanGrow FERTMAX Booster Fertilizer, 1-Gallon Bud booster formula to be used during the early to late flowering stage of growth Designed to be used supplementally with base nutrients; not typically a stand-alone product Safe to use in conjunction with any and all fertilizers, pesticides, systems, and grow media Zero nitrogen liquid bloom booster formula to enhance the quantity and quality of flowers and fruits of virtually any crop Recommended for use with Fertmax Bloom A & B