Interested in the infamous Jack's 3-21 recipe, but wanting to dip your toes in before you buy the big bags? Try this!

The Famous Jack's 3-2-1 recipe.

Always mix Part A first, then Epsom Salts, then Part B last!

Jack's« Nutrients FeED 5-12-26 Part A Fertilizer (3.6 grams per gallon)

Promotes the growth of leaves and strong roots. Blended with purely soluble and available nutrients to allow the grower maximum flexibility. Specific mixtures of macro, secondary and micronutrients deliver an efficient combination of nutrients suitable for many different growing environments and crop types.

Jack's« Nutrients FeED 15-0-0 Calcium Nitrate Part B Fertilizer (2.4 grams per gallon)

Promotes Calcium uptake and strong leaf growth. BOOST 15-0-0 is a pure combination of a calcium and nitrate nitrogen allowing growers flexibility to boost their levels according to different crops or stages of growth. Used in combination with Jack's Part A FeED, these two products combined to make a totally available nutrient solution.

Jack's Magnesium Sulfate / Epsom Salts (1.1 grams per gallon)

An essential item to the Jack’s 3-2-1 program.