--- product_id: 246959388 title: "Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag." brand: "peters" price: "1124184β‚«" currency: VND in_stock: true reviews_count: 8 category: "Peters" url: https://www.desertcart.vn/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black store_origin: VN region: Vietnam --- # 5% Calcium & 2% Magnesium boost 15% Nitrogen for lush growth 0.75% Black Iron for vibrant color Peters Excel 15-5-15 Cal-Mag Special w/Black Iron (1) 1 1lb. Bag. **Brand:** peters **Price:** 1124184β‚« **Availability:** βœ… In Stock ## Summary > 🌱 Unlock your plants’ full potential with the magic of Peters Excel! ## 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?** 1124184β‚« with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/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 - β€’ **Black Iron Boost:** Unique black iron inclusion promotes deeper green foliage and vibrant blooms. - β€’ **Cal-Mag Powerhouse:** Added calcium and magnesium strengthen cell walls and enhance resilience. - β€’ **Trusted Pro Formula:** Commercial nursery-grade fertilizer now in convenient sizes for home pros. - β€’ **Flexible Application:** Adjust strength easily to match seasonal plant needs with clear usage guidelines. - β€’ **Precision Nutrient Balance:** Optimized 15-5-15 NPK formula fuels vigorous, healthy plants. ## Overview Peters Excel 15-5-15 Cal-Mag Special w/ Black Iron is a professional-grade fertilizer combining balanced nitrogen, phosphate, and potash with essential calcium, magnesium, and micronutrients. Designed for orchids, roses, bromeliads, lilies, and all potted or landscape plants, it supports vigorous growth, vibrant blooms, and strong plant health. Available in multiple convenient sizes, this formula is trusted by commercial nurseries and plant enthusiasts alike for its proven performance and easy seasonal adjustment. ## 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% Review: Magic juice for seedlings! - Magic sauce for seedlings! So safe it can be used on any plants and seems to benefit everything I've used it on (salvias, pansy, villas, marigolds, snapdragons, begonia, geranium, etc al)! I am loyal to this brand! They have excellent product support also. You can ask their experts any question and they will answer. Love this stuff! Review: 8’ ladder and me - Never had all 10 of my ladies over 10’! This stuff is a must have for marijuana!!! ## Features - Professional formular used by commercial nurseries now available in convenient sizes of 1lb., 3lb., 5lb., & 10lb. - Similar to the β€œMSU 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 | #147,763 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2,776 in Garden Fertilizers | | Brand | Peters | | Brand Name | Peters | | Coverage | Medium | | Customer Reviews | 4.7 out of 5 stars 66 Reviews | | 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 - **Manufacturer:** Everris NA Inc - **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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Magic juice for seedlings! *by A***R on March 30, 2025* Magic sauce for seedlings! So safe it can be used on any plants and seems to benefit everything I've used it on (salvias, pansy, villas, marigolds, snapdragons, begonia, geranium, etc al)! I am loyal to this brand! They have excellent product support also. You can ask their experts any question and they will answer. Love this stuff! ### ⭐⭐⭐⭐⭐ 8’ ladder and me *by R***B on April 18, 2026* Never had all 10 of my ladies over 10’! This stuff is a must have for marijuana!!! ### ⭐⭐⭐⭐⭐ Its fertilizer *by C***Y on April 19, 2026* perfect for my vandas ## 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black](https://www.desertcart.vn/products/246959388-peters-excel-15-5-15-cal-mag-special-w-black) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-19*