--- product_id: 638674189 title: "Cal+Mag+Iron (2-0-0), 32oz Calcium, Magnesium & Iron Supplement" brand: "vivosun" price: "278.36 DT" currency: TND in_stock: true reviews_count: 8 url: https://www.desertcart.tn/products/638674189-cal-mag-iron-2-0-0-32oz-calcium-magnesium-iron store_origin: TN region: Tunisia --- # Boosts nutrient absorption Supports all growing mediums 100% water-soluble formula Cal+Mag+Iron (2-0-0), 32oz Calcium, Magnesium & Iron Supplement **Brand:** vivosun **Price:** 278.36 DT **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your grow game—because your plants deserve the VIP treatment! ## Quick Answers - **What is this?** Cal+Mag+Iron (2-0-0), 32oz Calcium, Magnesium & Iron Supplement by vivosun - **How much does it cost?** 278.36 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/638674189-cal-mag-iron-2-0-0-32oz-calcium-magnesium-iron) ## Best For - vivosun enthusiasts ## Why This Product - Trusted vivosun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Deficiency Defense:** Prevents blossom end rot, chlorosis & leaf brittleness with essential Ca, Mg & Fe - • **Concentrated & Easy:** Powerful 32oz liquid formula, simple dosing for all growth stages - • **Trusted Growth Partner:** Backed by VIVOSUN’s decade of innovation in smart gardening tech - • **Universal Compatibility:** Perfect for hydroponics, soil, coco coir & aeroponics—grow anywhere, anytime - • **Synergistic Nutrient Boost:** Enhances uptake of other fertilizers for maximized plant vitality ## Overview VIVOSUN Cal+Mag+Iron (2-0-0) is a premium, concentrated liquid fertilizer delivering calcium, magnesium, and iron in a fully water-soluble formula. Designed for all growing mediums including hydroponics, soil, and coco coir, it prevents common nutrient deficiencies and enhances overall nutrient uptake. Ideal for indoor and outdoor plants, this 32oz supplement supports robust growth, vibrant foliage, and higher yields, making it a must-have for serious growers seeking consistent, professional results. ## Description What are the benefits of Cal+Mag+Iron? Cal+Mag+Iron provides a precise balance of calcium, magnesium, and iron, specifically formulated to address potential deficiencies. Can Cal+Mag+Iron be used with other additives? Yes, Cal+Mag+Iron can be used in combination with other nutrient systems. Why do I need this if I'm using coco substrate? Coco coir naturally absorbs calcium and magnesium, making them unavailable to plants. Using Vivosun Cal+Mag+Iron prevents these deficiencies. Should Cal+Mag+Iron be used on the soil or sprayed on the plant? Cal+Mag+Iron can be applied both as a soil drench and as a foliar spray. What kinds of growing mediums can Cal+Mag+Iron be used in? Vivosun Nutrients Cal+Mag+Iron is suitable for all growing mediums, including potting soil, hydroponics, aquaponics, and coco coir cultivation. BASE A(4-0-1)&B(1-4-2) NutriBoost 0-0-1 BASE A(4-0-1)&B(1-4-2) Bloom Juice 0-6-4 Cal+Mag+Iron 2-0-0 pH Up & pH Down Kit Who are we? VIVOSUN is the global leader for at-home growing technology & equipment. With over 10 years of demonstrated excellence in the development and production of growing tools,we have established ourselves as a trusted partner for every step in the growing process and for every level of grower. Vivosun's smart grow system enables growers to master the elements for optimal lighting and ventilation to achieve ideal grow results. Indoor gardening can be complex. We simplify it by integrating technology that optimizes light, airflow, and environmental control. Our smart systems make gardening easier, helping both beginners and experts achieve thriving plants effortlessly. Vivosun combines innovation, quality, and sustainability. Our smart products—such as Vgrow, AeroLight, AeroZesh, and GrowHub—streamline gardening with automated controls and energy-efficient features, ensuring better growth outcomes while reducing environmental impact. ## Features - Prevent & Correct Deficiencies: Nourish your plants with essential nutrients like calcium, magnesium, and iron to prevent and correct common deficiencies such as blossom end rot, interveinal chlorosis, stunted growth, leaf curling or cupping, and leaf brittleness - Premium Ingredients: This well-balanced formula is enriched with calcium, magnesium, iron, and nitrogen - all key elements for efficient photosynthesis, robust growth, and fruit development; It is formulated to optimize plant growth and maximize yields - Compatible With All Growing Mediums: This 100% water-soluble liquid fertilizer is ideal for hydroponics, aeroponics, coco coir, DWC (deep water culture), soil, and any other growing medium or system; It is especially suitable for coco coir and reverse osmosis water cultivation, where calcium and magnesium deficiencies are common - Compatible with Other Nutrients: This versatile additive is fully compatible with other nutrient systems; It can also enhance the plants’ ability to absorb other essential nutrients, optimizing overall nutrient uptake and efficiency - Easy to Use: This concentrated formula is easy to use at all growth stages for all indoor and outdoor plants; It can be used as a standalone additive or combined with others; Experiment with the dosage to find the optimal amount for your specific setup and plant ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CT8BGPYP | | Best Sellers Rank | #53,305 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #1,324 in Garden Fertilizers | | Brand Name | VIVOSUN | | Coverage | 56 square feet | | Customer Reviews | 4.7 4.7 out of 5 stars (131) 4.7 out of 5 stars | | Included Components | Cal | | Item Form | Liquid | | Item Weight | 2.6 pounds | | Liquid Volume | 1 quarts | | Manufacturer | VIVOSUN | | Model Number | VSN-CAMGIR32 | | Number Of Items | 1 | | Number Of Packs | 1 | | Part Number | 1 | | Specific Uses For Product | Plant Growth | | Target Species | all plants | | Unit Count | 32 Fluid Ounces | ## Product Details - **Brand:** VIVOSUN - **Item Form:** Liquid - **Item Weight:** 2.6 Pounds - **Liquid Volume:** 1 Quarts - **Specific Uses For Product:** Plant Growth ## Images ![Cal+Mag+Iron (2-0-0), 32oz Calcium, Magnesium & Iron Supplement - Image 1](https://m.media-amazon.com/images/I/51UP71ysrTL.jpg) ## Questions & Answers **Q: What are the benefits of Cal+Mag+Iron?** A: Cal+Mag+Iron provides a precise balance of calcium, magnesium, and iron, specifically formulated to address potential deficiencies. **Q: Can Cal+Mag+Iron be used with other additives?** A: Yes, Cal+Mag+Iron can be used in combination with other nutrient systems. **Q: Why do I need this if I'm using coco substrate?** A: Coco coir naturally absorbs calcium and magnesium, making them unavailable to plants. Using Vivosun Cal+Mag+Iron prevents these deficiencies. **Q: Should Cal+Mag+Iron be used on the soil or sprayed on the plant?** A: Cal+Mag+Iron can be applied both as a soil drench and as a foliar spray. **Q: What kinds of growing mediums can Cal+Mag+Iron be used in?** A: Vivosun Nutrients Cal+Mag+Iron is suitable for all growing mediums, including potting soil, hydroponics, aquaponics, and coco coir cultivation. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Top-of-the-line nutrients *by on Reviewed in the United States May 12, 2026* Highly recommended it’s all I use it grows along with my grow tents awesome product ### ⭐⭐⭐⭐⭐ Only the best fit my babies ♡ *by on Reviewed in the United States June 26, 2026* Feed the babies! ### ⭐⭐⭐⭐⭐ Great for plants *by on Reviewed in the United States April 21, 2026* Great stuff, lasts for ever. Only use every 2 to 4 months on my plants so it will def last . ## Frequently Bought Together - VIVOSUN Cal+Mag+Iron (2-0-0), Calcium, Magnesium & Iron Supplement, Liquid Nutrient Fertilizer for All Plants, Concentrated Plant Food for Soil/Soilless Cultivation, Hydroponics, 1 Quart - VIVOSUN Plant Food Nutrients Base A(4-0-1) & B(1-4-2) Bundle, All Purpose Liquid Fertilizer, Hydroponic Plant Food Supports Vegetative and Flowering Stages for Outdoor & Indoor Plants, Set of Quarts - VIVOSUN Seaweed and Kelp Fertilizer, Concentrated Plant Additive NutriBoost (0-0-1), All-Purpose Liquid Food for All Growing Stages, for Trees, Vegetables, Flowers, Fruits, Lawn, 32 Ounces/1 Quart --- ## 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.tn/products/638674189-cal-mag-iron-2-0-0-32oz-calcium-magnesium-iron](https://www.desertcart.tn/products/638674189-cal-mag-iron-2-0-0-32oz-calcium-magnesium-iron) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-19*