Description
The Jack’s 321 Hydroponics combo kit includes all you need to make 23-28 gallons of the standard, classic Jack’s 321 nutrient solution. The kit includes these individually bagged components: 3 oz. of Jacks Hydroponic 5-12-26 (Part A) 2 oz. solution grade Calcium Nitrate 15-0-0 (Part B) 1 oz. solution grade Magnesium Sulfate (Epsom Salt) To make 1 gallon of nutrient solution (the order is important!): 1) Weigh and completely dissolve 3 grams Hydro 5-12-26 2) Weigh and completely dissolve 1 grams Magnesium Sulfate 3) Weigh and completely dissolve 2 grams Calcium Nitrate 15-0-0 If you don’t have a scale, you can also do this by volume, though it won’t be as accurate: 1) Measure and completely dissolve 1/2 teaspoon Hydro 5-12-26 2) Measure and completely dissolve 1/4 teaspoon Magnesium Sulfate 3) Measure and completely dissolve 1/2 teaspoon Calcium Nitrate 15-0-0 Important: Do not mix the 3 components together at the same time. Dissolve the Jack’s Hydro 5-12-26 first, then the Epsom Salt, and lastly the Calcium Nitrate. Mix and dissolve each component completely before adding the next component. Warm water can be to help dissolve the components more quickly.
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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).
The kit will be mailed using USPS First Class package service which typically arrives in 1-3 business days and includes package tracking.
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