---
product_id: 254799529
title: "BioBizz CalMag 250 ML"
brand: "biobizz"
price: "€ 21.32"
currency: EUR
in_stock: true
category: "Bio Bizz"
url: https://www.desertcart.pt/products/254799529-biobizz-calmag-250-ml
store_origin: PT
region: Portugal
---

# 100% organic & certified 1ml per 1L water dosing 4.2% CaO & 1.7% MgO BioBizz CalMag 250 ML

**Brand:** biobizz
**Price:** € 21.32
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your grow game with BioBizz CalMag — because your plants deserve the best!

## Quick Answers

- **What is this?** BioBizz CalMag 250 ML by biobizz
- **How much does it cost?** € 21.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/254799529-biobizz-calmag-250-ml)

## Best For

- biobizz enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Thousands:** Rated 4.6 stars by over 1,600 growers who demand quality and consistency.
- • **Effortless Integration:** Seamlessly fits into any growing program without altering your routine.
- • **Precision Mineral Boost:** Delivers exact 4.2% calcium oxide and 1.7% magnesium oxide for optimal plant health.
- • **Certified Organic Assurance:** 100% natural ingredients with full certification for peace of mind.
- • **Universal Water Compatibility:** Perfectly balances calcium and magnesium in both tap and reverse osmosis water.

## Overview

BioBizz CalMag is a 250ml liquid supplement providing a precise 4.2% calcium oxide and 1.7% magnesium oxide blend, designed to correct Ca/Mg deficiencies in plants. Fully organic and certified, it works flawlessly with any water type and growing program, ensuring healthier, more vibrant plants. Trusted by thousands with a 4.6-star rating, it’s the go-to choice for professional and hobbyist growers alike.

## Description

Product Description Regardless of whether soft tap water or reverse osmosis water needs to be used, Biobizz Calmag offers a 100% organic and certified solution for Ca/MG deficiencies. This product brings out the most from our 100% natural ingredients and presents them in a formulation that will not alter your preferred growing program. Correct inadequate water quality and defects in a simple, controlled and natural way with Biobizz Calmag. Ingredients CaO 4.2%; MgO 1.7% P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Directions 1 ml to 1 litre of water See more

## Features

- Safety data sheet available on request.
- Calmag from BioBizz is designed for the professional grower and hobbyist who needs extra calcium and magnesium in the grow.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08F22PGHH |
| Best Sellers Rank | 7,689 in Garden ( See Top 100 in Garden ) 17 in Hydroponic Nutrients & Additives |
| Brand Name | BioBizz |
| Coverage | Medium |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,706) |
| Item Form | Liquid |
| Item Type Name | Biobizz CalMag |
| Item Weight | 0.31 Kilograms |
| Liquid Volume | 250 Millilitres |
| Manufacturer | BioBizz |
| Mixing Ratio | 1ml pro 1 Liter Wasser |
| Model Number | BBCM0250 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | BA71 |
| Specific Uses For Product | Fertilizing |
| Target Species | Plants |
| Unit Count | 2.5 100 ml |

## Product Details

- **Brand:** BioBizz
- **Item form:** Liquid
- **Item weight:** 0.31 Kilograms
- **Liquid volume:** 250 Millilitres
- **Specific uses for product:** Fertilizing

## Images

![BioBizz CalMag 250 ML - Image 1](https://m.media-amazon.com/images/I/31GAnqCzrhL.jpg)
![BioBizz CalMag 250 ML - Image 2](https://m.media-amazon.com/images/I/41k+2asZK4L.jpg)

## Frequently Bought Together

- BioBizz CalMag 250 ML
- Reductor/Bajador de pH Down para cultivo BioBizz Bio-pH- (250ml)
- BioBizz BBTPINDOOR Try.Pack - Indoor Pack,750ml

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**Shop now:** [https://www.desertcart.pt/products/254799529-biobizz-calmag-250-ml](https://www.desertcart.pt/products/254799529-biobizz-calmag-250-ml)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-01*