Pay in 4 interest-free payments of $27.94 Learn more
Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
Use with undiluted Bluelab pH Up or Down
Compatible with Bluelab® Pro Controller and Bluelab® Dosetronic models
Knowing the EC/ppm
taller pots and deeper saturation
MacroPlugs are 1
GH KoolBloom 16 lb Use with undiluted Bluelab pHKoolBloom 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.
