Packs on girth and weight during the critical last weeks of flower production. An ultra premium flower booster advanced nutrients, Overdrive contains an extremely extensive and very complex array of phosphorus and potassium sources. Hormones and catalytic agents are added in order to pack on extra girth and weight that produce unparalleled flower production during the critical last weeks of flowering when plants show the most sizable gains. Overdrive by Advanced Nutrients contains an exclusive formula that restarts and extends vigorous bloom production even if your plants are already nearing harvest time.