General Hydroponics®, FloraBloom®, 0-5-4, FloraSeries® Advanced Nutrient System (55 Gallon)General Hydroponics, FloraBloom, 0 5 4, FloraSeries Advanced Nutrient System (55 Gallon) FloraBloom is part of FloraSeries, the O. G. 3 Part Hydroponic Based Nutrient System. More than 40 years ago, when the other guys were still in grade school, our scientists were hard at work with a mission: to give growers a consistent and precise way to feed their plants through every growth phase. First formulated in 1976, FloraSeries is the original 3 part