• Peters Excel 15-5-15 Cal-Mag Special with Black Iron - 25 lb
  • Description
  • Product Features
  • Specifications

Peters Excel 15-5-15 Cal Mag Special with Black Iron - 25 lb

Specialized formulation provides a continuous supply of the calcium and magnesium not found in soft water systems. High nitrate and low phosphate levels encourage healthy, compact growth. Contains three chelated irons, including black iron—the most effective for growing ornamentals.

  • versatile, all-purpose formulation for constant, balanced nutrition
  • effective for water types 1 and 2
  • 100% water soluble 
  • pure formulation—no ballast substances
  • elevated levels of chelated trace elements ensure robust growth and rich color
  • contains NPK, magnesium and micronutrients
  • developed for peat-based cultures (pot plants, bedding plants and container nursery stock)
  • exclusive M-77 chelating formula for fast, efficient nutrient uptake
  • DATA SHEET DOWNLOAD
  • Easy to use: A complete fertilizer formula in one bag, including calcium and micronutrients.
  • High Analysis: High nitrate and low phosphate levels encourage healthy, compact growth. Ideal for stock plants and mother plants in nurseries.
  • Pure: Low in sodium, chloride and heavy metals.
  • Water Soluble: Completely soluble in water. Perfect for continuous liquid feeding programs.

Guaranteed Analysis

Total Nitrogen (N) 15%
Nitrate nitrogen (N-NO3) 11.8%
Ammoniacal nitrogen (N-NH4) 1.1%
Urea nitrogen (Ur-N) 2.1%
Available Phosphate (P205) 5%
Soluble Potash (K20) 15%
Magnesium (Mg) 2.0%
Water soluble 2.0%
Calcium (Ca) 5.0%
Iron (Fe) 0.08%
Manganese (Mn) 0.04%
Water soluble 0.04%
Boron (B) 0.02%
Copper (Cu) 0.019%
Water soluble 0.019%
Molybdenum (Mo) 0.0075%
Zinc (Zn) 0.038%
Water soluble 0.038%

Peters Excel 15-5-15 Cal-Mag Special with Black Iron - 25 lb

Peters Excel 15-5-15 Cal-Mag Special with Black Iron - 25 lb

HAZ-MAT: UN1477, Nitrates, inorganic, n.o.s, 5.1, PGIII, OXIDIZER

UPS HAZMAT FEE: $33.0

Your price: Sold out:
$51.11
$70.98 $51.11
Please write a review?
Shipping calculated at checkout.

Questions about this item? Be the first to ask here.

Low stock: 8 left

🔥 7 sold in the last 90 days
Schedule recurring orders for the future and save 2%.

Auto-renews, skip or cancel anytime. View subscription policy

To add to cart, go to the product page and select a purchase option
View full details

What Makes Us Different

At the leading edge of the market, Custom Hydro stands out by providing the growing industry with fertilizers that are not only of premium quality but also feature innovative
solutions tailored for the unique needs of hydroponic and organic farming practices.

  • Premium Quality

    The Mark of Trusted Quality.

  • Highest Purity

    Never Compromise on the Quality of Inputs.

  • Crop Specific

    Customized Fertilizer for your Favorite Crops.