---
product_id: 299033544
title: "FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon)"
brand: "foxfarm"
price: "R3281"
currency: ZAR
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.za/products/299033544-foxfarm-bushdoctor-cal-mag-liquid-calcium-and-magnesium-supplement-prevents
store_origin: ZA
region: South Africa
---

# 3% Calcium 0.9% Magnesium NPK 1-0-0 FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon)

**Brand:** foxfarm
**Price:** R3281
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow Stronger, Harvest Better!

## Quick Answers

- **What is this?** FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon) by foxfarm
- **How much does it cost?** R3281 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/299033544-foxfarm-bushdoctor-cal-mag-liquid-calcium-and-magnesium-supplement-prevents)

## Best For

- foxfarm enthusiasts

## Why This Product

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

## Key Features

- • **Mix and Grow with Ease:** Simple application: just shake and mix!
- • **No More Tip Burn Troubles:** Prevent blossom end rot and tip burn effortlessly.
- • **Cal-Mag Magic for Thriving Plants:** Boosts fruit and vegetable quality for abundant harvests.
- • **Stronger Plants, Superior Results:** Enhances resilience against environmental stresses.
- • **pH Perfection for Thriving Gardens:** Optimal nutrient absorption with pH control.

## Overview

FoxFarm BushDoctor Cal-Mag is a liquid calcium and magnesium supplement designed to prevent common plant issues like blossom end rot and tip burn. With a specialized formula containing 3% calcium and 0.9% magnesium, this product enhances the quality of fruits and vegetables while promoting robust plant growth. Easy to use and effective, it ensures your garden thrives throughout the growing season.

## Description

Full description not available

## Features

- No More Tip Burn Troubles: Avoid frustrating plant issues like blossom end rot and tip burn with FoxFarm Cal Mag for plants. This supplement helps fortify your plants against common deficiencies, ensuring they stay vibrant and produce healthy fruits
- Cal-Mag Magic for Thriving Plants: Bushdoctor plant calcium fertilizer features a specialized 1-0-0 formula with 3% calcium & 0.9% magnesium. This nutrient balance enhances fruit & vegetable quality for abundant harvests throughout the growing season
- Stronger Plants, Superior Results: Our fertilizer of calcium magnesium for plants enhances your garden’s resilience by developing robust cell structures, stronger stems, and leaves. As a result, Your plants resist environmental stresses and thrive
- Mix and Grow with Ease: Applying Fox Farm calmag fertilizer is a breeze, simply shake well and mix 1 tsp per gallon of water. Start before bud development and use as needed, ensuring your plant gets essential nutrients at critical growth stages
- pH Perfection for Thriving Gardens: When using this magnesium fertilizer for plants, keep your water pH between 5.6 and 6.8 to ensure optimal absorption. Staying within this range ensures plants access vital nutrients, promoting strong growth

## Product Details

- **Brand:** FoxFarm
- **Item Weight:** 1 Pounds
- **Item Form:** Liquid
- **Liquid Volume:** 16 Fluid Ounces
- **Specific Uses For Product:** Gardening

## Images

![FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon) - Image 1](https://m.media-amazon.com/images/I/61YeehH-68L.jpg)
![FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon) - Image 2](https://m.media-amazon.com/images/I/71DfY3nQt4L.jpg)
![FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon) - Image 3](https://m.media-amazon.com/images/I/71AQpJq2vmL.jpg)
![FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon) - Image 4](https://m.media-amazon.com/images/I/81DUjFjosBL.jpg)
![FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon) - Image 5](https://m.media-amazon.com/images/I/81KELrDKC-L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ GREAT
*by J***. on June 9, 2025*

THIS WORKS GREAT WITH MY TOMATOES,PERFECT SIZE FOR THE SEASON,EASY MIX

### ⭐⭐⭐⭐⭐ Alocasias love this!
*by A***A on April 30, 2025*

I use this on my alocasias. They need this extra nutrients. It works! If you are struggling with alocasias definitely try this!

### ⭐⭐⭐⭐⭐ Good product
*by H***L on January 29, 2025*

I have used this for the past 3 years with decent results.

## Frequently Bought Together

- FoxFarm BushDoctor Cal-Mag - Liquid Calcium & Magnesium Supplement, Prevents Blossom End Rot & Tip Burn - Formula with 3% Calcium, 0.9% Magnesium for Gardening- NPK 1-0-0 (Gallon)
- FoxFarm Tiger Bloom Liquid Fertilizer Concentrate - Fast Acting Formula for Vicious Growth with Phosphorus - Encourages Fruit, Flower & Bud Development, NPK 2-8-4 (Gallon)
- FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0.01-0.03-0.7 (Gallon)

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**Shop now:** [https://www.desertcart.co.za/products/299033544-foxfarm-bushdoctor-cal-mag-liquid-calcium-and-magnesium-supplement-prevents](https://www.desertcart.co.za/products/299033544-foxfarm-bushdoctor-cal-mag-liquid-calcium-and-magnesium-supplement-prevents)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-14*