---
product_id: 246959388
title: "Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag."
brand: "peters"
price: "168.26 DT"
currency: TND
in_stock: true
category: "Peters"
url: https://www.desertcart.tn/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black
store_origin: TN
region: Tunisia
---

# Black Iron boost 15-5-15 NPK balance Added Cal & Mg for vigor Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag.

**Brand:** peters
**Price:** 168.26 DT
**Availability:** ✅ In Stock

## Summary

> 🌱 Grow like a pro—because your plants deserve the VIP treatment!

## Quick Answers

- **What is this?** Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag. by peters
- **How much does it cost?** 168.26 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black)

## Best For

- peters enthusiasts

## Why This Product

- Trusted peters brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Black Iron Infusion:** Enhances nutrient uptake and deep green foliage.
- • **Precision NPK Formula:** Optimized 15-5-15 ratio fuels lush growth and vibrant blooms.
- • **Flexible Application Sizes:** Available in 1lb to 10lb bags—get exactly what your garden demands.
- • **Professional-Grade & Trusted:** Used by commercial nurseries, now accessible for your home garden.
- • **Calcium & Magnesium Enrichment:** Strengthens cell walls for resilient, healthy plants.

## Overview

Peters Excel 15-5-15 Cal-Mag Special w/ Black Iron is a professional-grade fertilizer blending balanced nitrogen, phosphate, and potash with essential calcium, magnesium, and micronutrients. Perfect for orchids, roses, bromeliads, lilies, and all potted or landscape plants, it promotes vigorous growth and vibrant blooms. Packaged in convenient sizes, it offers flexible dosing tailored to seasonal plant needs.

## Description

Peters Excel 15-5-15 Cal-Mag Special w/ black Iron is the best fertilizer for your orchids with balanced N & K, low P, added calcium and magnesium along with key micronutrients. Also great for roses, bromeliads, lilies, all potted and landscape plants. GUARANTEED ANALYSIS: Total Nitrogen (N) . . . . 15.0% 1.4% Ammoniacal Nitrogen 11.6% Nitrate Nitrogen 2.0% Urea Nitrogen Available Phosphate (P2O5) . . 5.0% Soluble Potash (K20) . . . . 15.0% Calcium (Ca) . . . . 5.0% Magnesium (Mg) . . . . 2.0% Boron (B) . . . . 0.0187% Copper (Cu) . . . . 0.0187% Iron (Fe) . . . . 0.75% Manganese (Mn) . . . . . 0.0375% Molybdenum (Mo) . . . . 0.0075% Zinc (Zn) . . . . 0.0375%

## Features

- Professional formular used by commercial nurseries now available in convenient sizes of 1lb., 3lb., 5lb., & 10lb.
- Similar to the “MSU Magic Fertilizer,” with added Calcium and Magnesium to help grow vigorous strong healthy plants.
- Provides the vital micronutrients necessary for healthy plant growth to produce vibrant blooms.
- Easy to adjust strength based on the seasonal needs of your plants. Application rates included on packaging.
- NEW FORMULAR with Black Iron. Re-packaged weekly to convenient sizes. Get just what you need.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08NHVVJGN |
| Best Sellers Rank | #48,921 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,278 in Garden Fertilizers |
| Brand Name | Peters |
| Coverage | Medium |
| Customer Reviews | 4.7 4.7 out of 5 stars (68) |
| Item Form | Granules, Powder |
| Item Weight | 16 ounces |
| Manufacturer | Everris NA Inc |
| Mixing Ratio | 15:5:15 |
| Model Number | 848264006525 |
| Number of Items | 1 |
| Specific Uses For Product | Plant Growth |
| Target Species | orchids, roses, bromeliads, lilies, and all potted and landscape plants |
| UPC | 848264006525 |
| Unit Count | 16 Ounce |

## Product Details

- **Brand:** Peters
- **Item Form:** Granules, Powder
- **Item Weight:** 16 ounces
- **Number of Packs:** 1
- **Specific Uses For Product:** Plant Growth

## Images

![Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag. - Image 1](https://m.media-amazon.com/images/I/71D3w2HIGgL.jpg)

## Available Options

This product comes in different **Item Package Quantity** options.

## Frequently Bought Together

- Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag.
- Peter's 10-30-20. 2 Pounds. Blossom Booster Water Soluble Fertilizer with Micro Nutrients.
- SUPERthrive The Original Vitamin Solution - Liquid Concentrate, May Add to Any Fertilizing Program, 4 fl. oz.

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**Shop now:** [https://www.desertcart.tn/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black](https://www.desertcart.tn/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-13*