Jack's Professional 15-5-15 Ca-Mg LX

This is a truly comprehensive fertilizer with all the macro and micronutrients in one tank. It contains 4% calcium and 2% magnesium (making it an ideal choice for water low in those nutrients), 80% nitrate nitrogen, and micronutrients. It can be tank mixed with other Jack’s LX  formulas.

for use on

All plants

growers who want

Basic formula, Calcium and Magnesium in 1 bag, reduced PGR short, stocky plants

Guaranteed Analysis

Elemental Concentration

Mixing Instructions

Chart displays the amount of dry fertilizer (oz.) to add to each gallon of water to make a concentrated solution. Please check your injector setting before use.
Limit of Solubility = 4.5 lbs per gallon

Important Notes:
E.C.  value is the best method to determine fertilizer strength. Fertilizer appearance may vary in color due to variation in raw material size and tracer dye distribution upon the particles in the bag. In solution,  color will remain consistent.
​For best results, use warm water to dissolve the product. Jack's fertilizers are made with 100% soluble raw materials that will form a true solution.  Some raw materials are slower to dissolve than others. Keep stock tank covered to reduce light and debris inputs.
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SDS Label