Big Cannahuna Nutrients Bloom is a premium hydroponic fertilizer to be used on all types of flowering and fruiting plants from the beginning of the bloom stage until 2 weeks prior to harvest at which time you will switch to Big Cannahuna Nutrients Funky Finish for the best results. This formula is designed to promote healthy flowering and fruiting while adding girth and increasing density and resin production. This is our original Bloom formula, people love it so we still make it.