Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
During fruiting and flowering
With calcium
RAW Silica can be used during all stages of growth and bloom for optimal stem and cell wall strength
PGR free and has a 5+ year shelf life to ensure reliability
And because it’s made in our state-of-the-art solar powered manufacturing facility
GENERAL HYDROPONICS KOOLBLOOM 16 LB GENERAL HYDROPONICS During fruiting and floweringKoolBloom is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom is rich with phosphorus and potassium and contains precise amounts of ripening elements. KoolBloom is to be used only at the very end of a plant's life cycle and will help build larger, heavier fruits and flowers. Less