- Jacks 5-12-26 Hydro formula was designed as a base foundation for hydroponic growing. Jack’s has proven ability to remain in true solution over long periods of time with excellent nutrient availability to plants.
- Accurately weighed packets (+/- 2% by weight) for making 23-28 gallons of Jack's 321 hydroponic nutrient solution (dependent on the desired strength).
- The kit includes individually bagged components: 3 oz. of Jacks Hydroponic 5-12-26 (Part A), 2 oz. solution grade Calcium Nitrate 15-0-0 (Part B), and 1 oz. solution grade Magnesium Sulfate (Epsom Salt).
