Jack's Professional 15-0-15 Dark Weather Peat-Lite Water Soluble Fertilizer, 25 lbs.

★★★★★ 5.0 136 reviews

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Product details

Management number 232556544 Release Date 2026/06/21 List Price $14.32 Model Number 232556544
Category

An ideal product for growers who want a non-phosphorus, high nitrate product with calcium. Alternate with 20-10-20 Peat-Lite or use as a "finisher" for flowering plants like poinsettias. This formula has the Peat-lite micronutrient levels needed for commercially made peat-lite potting media.

For Use On: All plants


Jacks Professional 15-0-15 Dark Weather Peat-Lite Water Soluble Fertilizer Guaranteed Analysis

  • Total Nitrogen (N)......15%
    • 1.5% Ammoniacal Nitrogen
    • 13.5% Nitrate Nitrogen
  • Available Phosphate (P205).......15%
  • Calcium (Ca).......10.69%
  • Boron (B).......0.013%
  • Copper (Cu)........0.0075%
    • 0.0075% Chelated Copper (Cu)
  • Iron (Fe)........0.075%
    • 0.075% Chelated Iron (Fe)
  • Manganese (Mn)........0.0375%
    • 0.0375% Chelated Manganese (Mn)
  • Molybdenum (Mo).......0.0075%
  • Zinc (Zn).......0.0375%
    • 0.0375% Chelated Zinc

Derived From: Calcium Nitrate, Ammonium Nitrate, Potassium Nitrate, Boric Acid, Iron EDTA, Manganese EDTA, Zinc EDTA, Copper EDTA, Ammonium Molybdate


Elemental Concentraion

100 ppm N Solution Contains the Following Elemental ppm
Nitrate - N (NO3) 90.0
Ammonium - N (NH4) 10.0
Urea - N (Urea) 0.0
Phosphorus (P) 0.0
Potassium (K) 83.0
Calcium (Ca) 71.3
Magnesium (Mg) 0.0
Boron (B) 0.1
Copper (Cu) 0.05
Iron (Fe) 0.5
Manganese (Mn) 0.25
Molybdenum (Mo) 0.05
Zinc (Zn) 0.25

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 Table

Desired N Feed Rate 1:15 1:100 1:200 E.C. Value
50 ppm 0.68 4.50 9.00 0.39
100 ppm 1.35 9.00 18.00 0.78
200 ppm 2.70 18.00 36.00 1.56

Limit of Solubility = 7 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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