---
product_id: 638636547
title: "CalMag Pro Hydroponic and Soil Nutrient Fertilizer for Plants Calcium and Magnesium booster"
brand: "greenleaf nutrients"
price: "€ 37.52"
currency: EUR
in_stock: false
reviews_count: 1
url: https://www.desertcart.hr/products/638636547-calmag-pro-hydroponic-and-soil-nutrient-fertilizer-for-plants-calcium
store_origin: HR
region: Croatia
---

# 3% Magnesium for energy boost Fully water-soluble for max absorption 10% Calcium for robust growth CalMag Pro Hydroponic and Soil Nutrient Fertilizer for Plants Calcium and Magnesium booster

**Brand:** greenleaf nutrients
**Price:** € 37.52
**Availability:** ❌ Out of Stock

## Summary

> 🌿 Power your plants with precision nutrition—grow smarter, not harder!

## Quick Answers

- **What is this?** CalMag Pro Hydroponic and Soil Nutrient Fertilizer for Plants Calcium and Magnesium booster by greenleaf nutrients
- **How much does it cost?** € 37.52 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/638636547-calmag-pro-hydroponic-and-soil-nutrient-fertilizer-for-plants-calcium)

## Best For

- greenleaf nutrients enthusiasts

## Why This Product

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

## Key Features

- • **Generous Coverage:** 3lb powder treats 700+ gallons—scale your garden without scaling your budget
- • **Versatile Application:** Perfect for hydroponic and soil setups, supporting all plant types
- • **Ultra-Concentrated Formula:** Up to 7x more effective than competitors—maximize yield, minimize cost
- • **Enhanced Photosynthesis & Growth:** Boosts chlorophyll, amino acids, and protein synthesis for vibrant foliage
- • **Precision Calcium & Magnesium Balance:** Optimized 10% Ca & 3% Mg ratio fuels stronger, healthier plants

## Overview

CalMag Pro is a premium, USA-made dry powder fertilizer delivering a guaranteed 10% Calcium and 3% Magnesium in a fully water-soluble, highly absorbable form. Designed for both hydroponic and soil use, it enhances chlorophyll production, strengthens plant cell walls, and improves photosynthesis. Its concentrated formula treats over 700 gallons, offering up to 7 times the effectiveness of standard fertilizers, making it a cost-efficient choice for serious growers.

## Description

CalMag Pro Hydroponic and Soil Nutrient Fertilizer for Plants Calcium and Magnesium booster

## Features

- Contains Guaranteed minimum 10% Calcium (Ca) and 3% Magnesium (Mg) in the optimum ratio for plants. Also has Potassium and other elements to facilitate uptake and benefit your plants.
- Highly absorbable and fully water soluble forms of Calcium, Magnesium and Potassium.
- Boost Chlorophyll, Amino-Acid and Protein formation
- Strengthen plant cell walls and structure, and improve the photosynthesis process
- 3lb size makes 700+ Gallons. Concentrated dry form is up to 7x more effective than competitors, helping to save you money!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 1360.0 gram |
| Brand | Greenleaf Nutrients |
| Format | Powder |
| Country of origin | USA |

## Product Details

- **Brand:** Greenleaf Nutrients
- **Item weight:** 1.36 Kilograms
- **Item form:** Powder
- **Coverage:** Indoor and outdoor plants
- **Mixing ratio:** 1 tablespoon per gallon

## Images

![CalMag Pro Hydroponic and Soil Nutrient Fertilizer for Plants Calcium and Magnesium booster - Image 1](https://m.media-amazon.com/images/I/81JIR1nnpUL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Orchid
*by S***N on 30 May 2025*

It done wonders for my orkid

## Frequently Bought Together

- CalMag Pro Hydroponic and Soil Nutrient Fertilizer for Plants Calcium and Magnesium Booster
- Sweet Candy Hydroponic and Soil Nutrient Fertilizer for Plants with Organics
- Mega Crop 1-Part Complete Hydroponic and Soil Base Nutrient Fertilizer for Plants with Organics

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**Shop now:** [https://www.desertcart.hr/products/638636547-calmag-pro-hydroponic-and-soil-nutrient-fertilizer-for-plants-calcium](https://www.desertcart.hr/products/638636547-calmag-pro-hydroponic-and-soil-nutrient-fertilizer-for-plants-calcium)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-04-25*