---
product_id: 246959388
title: "Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag."
brand: "peters"
price: "€ 44.07"
currency: EUR
in_stock: true
category: "Peters"
url: https://www.desertcart.gr/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black
store_origin: GR
region: Greece
---

# Includes Black Iron for vibrant growth Enhanced with Calcium & Magnesium Balanced 15-5-15 NPK ratio Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag.

**Brand:** peters
**Price:** € 44.07
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow like a pro, bloom like a boss!

## 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?** € 44.07 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/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:** Unique black iron component enhances chlorophyll production for richer, deeper green foliage.
- • **Customizable Application:** Flexible dosing lets you tailor nutrient strength seasonally, ensuring peak plant performance year-round.
- • **Cal-Mag Boost for Strength:** Added calcium and magnesium fortify cell walls, promoting vigorous growth and resilience.
- • **Precision-Engineered Nutrient Blend:** Optimized 15-5-15 formula fuels robust, healthy plants with perfect nitrogen, phosphate, and potassium balance.
- • **Professional Grade, Convenient Sizes:** Trusted by commercial nurseries, now available in easy-to-use 1lb to 10lb bags—get exactly what your garden demands.

## Overview

Peters Excel 15-5-15 Cal-Mag Special w/ Black Iron is a premium, professional-grade fertilizer designed for orchids, roses, bromeliads, lilies, and all potted or landscape plants. Featuring a balanced NPK ratio with added calcium, magnesium, and black iron, it delivers essential macro- and micronutrients to support vigorous growth, vibrant blooms, and lush foliage. Available in multiple convenient sizes, it offers customizable application rates to meet seasonal plant needs, making it a top choice for both commercial growers and passionate home gardeners.

## 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 | #65,823 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,322 in Garden Fertilizers |
| Brand Name | Peters |
| Coverage | Medium |
| Customer Reviews | 4.7 4.7 out of 5 stars (71) |
| Item Form | Granules, Powder |
| Item Weight | 16 ounces |
| Manufacturer | Everris NA Inc |
| Mixing Ratio | 15:5:15 |
| Model Number | 848264006525 |
| Number of Items | 1 |
| Number of Packs | 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.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-25*