---
product_id: 745469293
title: "Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz)"
brand: "bloom city"
price: "A$52"
currency: AUD
in_stock: true
reviews_count: 5
category: "Bloom City"
url: https://www.desertcart.com.au/products/745469293-bloom-city-professional-grade-ultra-pure-cal-mag-growing-fertilizer
store_origin: AU
region: Australia
---

# Calcium & Magnesium boost for vibrant growth Liquid formula for easy absorption Precise 2-5 mL per gallon dosing Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz)

**Brand:** bloom city
**Price:** A$52
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your garden game with Bloom City’s pure Cal-Mag power!

## Quick Answers

- **What is this?** Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz) by bloom city
- **How much does it cost?** A$52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/745469293-bloom-city-professional-grade-ultra-pure-cal-mag-growing-fertilizer)

## Best For

- bloom city enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Thousands:** 4.6-star rating from over 6,300 plant enthusiasts
- • **Beginner-Friendly Formula:** Simple mixing and application for all skill levels
- • **Effortless Nutrient Boost:** Just 2-5 mL per gallon to supercharge your plants’ health
- • **Versatile for Every Grower:** Perfect for indoor, outdoor, soil, or hydroponic setups
- • **Stronger Stems & Lush Leaves:** Calcium and magnesium support robust growth and vivid foliage

## Overview

Bloom City Professional Grade Ultra Pure Cal-Mag is a liquid fertilizer delivering essential calcium and magnesium to support strong stems and vibrant leaves. Suitable for all plant types and growing environments, it offers an easy-to-use formula with precise dosing, trusted by thousands of gardeners for consistent, healthy growth.

## Description

Looking for a simple way to support your plants' growth? Our liquid Cal Mag for plants provides calcium and magnesium, key nutrients that plants use to maintain sturdy stems and vibrant foliage. Whether you're caring for a home garden, growing indoors, or tending to an outdoor landscape, this CalMag for plants works well in various growing environments, including soil and hydroponic systems. Many growers choose Cal Mag for plants to address potential nutrient imbalances, which may affect growth and appearance. This Cal Mag fertilizer is an easy way to include vital nutrients in your plant care routine, helping you nurture your plants with ease. It is an ideal option for growers looking to support healthy and beautiful plants.

Review: Calcium magnesium fertilizer
Review: Great for correcting nutrient deficiencies

## Features

- Easy Mixing Directions: Simply add 2-5ml per gallon of feedwater, then water your plants as you normally would. A straightforward addition to your plant care routine, suited for all types of plants.
- Nutrient-Focused Formula: This Cal Mag fertilizer contains calcium and magnesium that plants use for maintaining strong stems and vibrant leaves. Suitable for both indoor and outdoor use.
- Adaptable for Different Growers: Whether tending to houseplants, outdoor gardens, or hydroponic setups, this CalMag for plants fits into a variety of growing conditions and plant care styles.
- Supports Plant Nutrition: Many gardeners turn to Cal Mag for plants to help address nutrient needs, aiming to support consistent growth and leaf color, linked to calcium and magnesium intake.
- Suitable for Growers of Any Skill Level: From beginners to experienced gardeners, this Cal Mag fertilizer is easy to integrate into any plant care routine, providing essential nutrients in an accessible format.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08JHFG5GH |
| Brand | Bloom City |
| Brand Name | Bloom City |
| Coverage | Full |
| Customer Reviews | 4.6 out of 5 stars 6,381 Reviews |
| Item Form | Liquid |
| Item Weight | 8 Ounces |
| Item form | Liquid |
| Item weight | 8 Ounces |
| Liquid Volume | 0.5 Pints |
| Liquid volume | 0.5 Pints |
| Manufacturer | Bloom City |
| Mixing Ratio | 2-5 mL per gallon |
| Specific Uses For Product | Organic |
| Specific uses for product | Organic |
| Target Species | plants |
| UPC | 841401125691 |
| Unit Count | 8 Grams |

## Product Details

- **Brand:** Bloom City
- **Item weight:** 8 Ounces
- **Item form:** Liquid
- **Liquid volume:** 0.5 Pints
- **Specific uses for product:** Organic

## Images

![Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz) - Image 1](https://m.media-amazon.com/images/I/61E0Mp9CLRL.jpg)
![Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz) - Image 2](https://m.media-amazon.com/images/I/812lYWScaDL.jpg)
![Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz) - Image 3](https://m.media-amazon.com/images/I/816+CxuUnIL.jpg)
![Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz) - Image 4](https://m.media-amazon.com/images/I/819b51Y6x6L.jpg)
![Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz) - Image 5](https://m.media-amazon.com/images/I/81FASSzoi9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Calcium magnesium fertilizer
*by M***Y on 18 September 2025*



### ⭐⭐⭐⭐⭐ Great for correcting nutrient deficiencies
*by G***E on 12 June 2025*



### ⭐⭐⭐⭐⭐ Works as advertised
*by W***R on 9 October 2025*



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- Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz)
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**Shop now:** [https://www.desertcart.com.au/products/745469293-bloom-city-professional-grade-ultra-pure-cal-mag-growing-fertilizer](https://www.desertcart.com.au/products/745469293-bloom-city-professional-grade-ultra-pure-cal-mag-growing-fertilizer)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-22*