Peters Excel 15-5-15 Cal Mag Special with Black Iron

5 out of 5 stars 1 Reviews | 0 Q&A

Peters Excel 15-5-15 Cal Mag Special with Black Iron

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Average Rating

5 out of 5 stars Rating: 5

1 Review | 0 Q&A

Product Overview

Peters Excel 15 - 5 - 15 Cal Mag Special with Black Iron is a professionally formulated solution that provides balanced and continuous nutrition for ornamentals. It is a water-soluble formula that contains no ballast substances. Flexible and provides a regular supply of magnesium and calcium. Guarantees rich color and robust growth. Allows efficient and quick nutrient uptake. Can be mixed in water cans and spray tanks. Recommended for use in ornamentals, potted plants, nurseries, and bedding plants. 

Product Documents

Features and Specs

Active Ingredient 15% Total Nitrogren 5% Available Phosphae 5.0?lcium 2.0% Magnesium 0.0187% Boron 0.0187% Copper 0.0375% Manganese 0.0075% Molybdenum 0.0375% Zinc
For use in Ornamentals
Pet safe Yes, if used as directed.
Dimensions 20.00 x 13.00 x 3.00
Shipping Weight 25.00 lbs
Manufacturer ICL Performance Products (Mfg. Number: G99145)
UPC 848264006815



  • 100% Water Soluble;
  • All-purpose formulation to give proper nutrition for ornamentals;
  • Contains three chelated irons, ensuring rich color and robust growth


  • A product trial is recommended before adopting a new fertilizer program or making full-scale changes to standard cultural practices (test several rates on representative plant types)
  • Consult rate tables printed on bag labels
  • Irrigation frequency and volume should be adjusted during the crop production cycle according to crop type, environmental conditions and desired soluble salt levels.
  • Store in a clean, cool, dry place
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  • 5 of 5 Stars

    Great greenhouse fertilizer

    By Larry on 04/23/2023

    I like to use a fertilizer with calcium nitrate. Promotes strong plants without soft over growth. Tomatoes need the calcium and magnesium.

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    1 of 1 people found this review helpful

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