Looking for full & healthy blooms from your hydro grow? Bring your flowers to their full potential with water soluble and easy to apply Hybrid Bloom from GreenGro. Hybrid Bloom is an all-purpose fertilizer designed for use in hydroponic gardens during the flowering stage that supports potent and full flowers. Can be used as a root drench or foliar spray every 7-10 days, but not advisable to use during times of stress. Enjoy hydro growing with less stress thanks to Hybrid Bloom.