---
product_id: 638674189
title: "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"
brand: "vivosun"
price: "$123"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/638674189-vivosun-cal-mag-iron-2-0-0-calcium-magnesium-iron
store_origin: NZ
region: New Zealand
---

# Calcium-rich Water-soluble Versatile formula 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

**Brand:** vivosun
**Price:** $123
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow Like a Pro with VIVOSUN!

## Quick Answers

- **What is this?** 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 by vivosun
- **How much does it cost?** $123 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/638674189-vivosun-cal-mag-iron-2-0-0-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

- • **Nourish to Flourish:** Prevent & correct nutrient deficiencies for vibrant growth.
- • **Premium Plant Power:** Enriched with essential nutrients for robust photosynthesis.
- • **User-Friendly Formula:** Easy to use for all growth stages, indoors or outdoors.
- • **Universal Compatibility:** Perfect for hydroponics, soil, and all growing mediums.
- • **Enhanced Nutrient Uptake:** Boosts absorption of other essential nutrients.

## Overview

VIVOSUN Cal+Mag+Iron is a concentrated liquid nutrient fertilizer designed to provide essential calcium, magnesium, and iron for all types of plants. This versatile formula is compatible with various growing mediums, including hydroponics and soil, and helps prevent common deficiencies while optimizing plant growth and yield.

## Description

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

## 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

## Product Details

- **Brand:** VIVOSUN
- **Item Weight:** 2.6 Pounds
- **Item Form:** Cal
- **Liquid Volume:** 1 Quarts
- **Manufacturer:** VIVOSUN

## Images

![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 - 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.

## 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
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- 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

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**Shop now:** [https://www.desertcart.nz/products/638674189-vivosun-cal-mag-iron-2-0-0-calcium-magnesium-iron](https://www.desertcart.nz/products/638674189-vivosun-cal-mag-iron-2-0-0-calcium-magnesium-iron)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-25*