Complete your nutrient regimen with Jack's Nutrients - Cal Nit Part B, an essential component of a two-part nutrient system. This formula provides a highly soluble and readily available source of c...
Enhance your nutrient regimen with Jack's Nutrients - Epsom Salts Magnesium Sulfate (1kg), a vital component of the Jack's 3-2-1 program. This high-quality magnesium sulfate provides essential micr...
Ensure your plants finish strong with Jack's Nutrients - Finish 7-15-30, specifically formulated for the final growth stage. This unique formula provides very low nitrogen, high phosphorus, and ver...
Experience enhanced vegetative growth with Jack's Nutrients - Part A 5-12-26, an improved formula designed for general vegetative growing. This redesigned blend provides purely soluble and availabl...
For the purest growing conditions, choose Jack's Nutrients - RO Water, a one-part nutrient blend specifically designed for crops grown in very low alkalinity waters such as reverse osmosis (RO) wat...
Promote excellent leaf growth and vibrant blooms with Jack’s Classic - Orchid 7-5-6 (8oz). This easy-to-use formula contains major and minor elements, along with essential Calcium and Magnesium, ma...
