Cool name, huh? So what’s the ancient oriental secret here? HOUSE & GARDEN’s Multi Zen is a highly concentrated growth additive meant to increase your plants’ flower sites along with thickening the stalks. This theoretically strengthens up your plant, better allowing it to handle the extra structures and weight of the increased flowering in order to give you a “maximum potential harvest.” The product claims to aid in nutrient break down so that nutrients are more readily available to your plants’ root zone. Product is derived from ammonium nitrate, nitric acid and potassium hydroxide. Designed for administering to your nutrient solution from early vegetative stage to be used up unto the third week of flowering. It’s available in 1L, 5L and 20L bottle sizes.