Jack's Classic Blossom Booster 10-30-20 1.5lbs exhaust Apply up to once a

Apply up to once a month or as desired

Black side absorbs light

Can withstand high humidity and high heat without duct failure

It has a convenient plus-and-go configuration that means you’ll spend less time setting up and more time tending to your hobby

Jack's Classic Blossom Booster 10-30-20 1.5lbs exhaust Apply up to once aUse this high phosphorus formulation during periods of bud set to increase number and size of blossoms. Resume use of traditional production fertilizers for the remainder of growing cycle to avoid internodal stretch. Great for vegetable production. Designed for use on flowering plants for growers who want a high level of phosphorous and moderate levels of Potassium.