Jack’s Fertilizer, 21-8-18 Aquagold Low Phos

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SKU: HG2149701SP913


This formulation is perfect for soils that have above optimum levels of phosphorus. It is also excellent for starting transplants in the greenhouse. Contains both ammoniacal and nitrate forms of Nitrogen for nitrogen uptake over a broad range of conditions.

  • for use on field and High tunnel grown vegetables and fruit crops, and greenhouse grown transplants
  • for growers who want lower phosphorus, balanced formulation, full micronutrient package
  • 25 lb. bag

Guaranteed Analysis

Guaranteed Analysis chart

Elemental Concentration

Elemental Concentration chart

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.

Mixing Instructions chart

Limit of Solubility = 4 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 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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