Hydrofarm Humboldt Nutrients HNBUP420 5-Pound Humboldt Nutrients Big Up Powder 0-33-23 Bloom Booster

- Big up powder is a premium bloom booster - Plants are in a transitional phase during the first week of flowering - By introducing big up powder, you effectively flip the switch in your plant, sending it immediately into an intense flowering cycle - Supplies a boost of energy to all your flowers, vegetables, fruits and herbs which you will not find anywhere else - Big up is specially formulated to efficiently deliver high levels of phosphorus and potassium to the fruit or flower