---
product_id: 19969353
title: "Thrive Aquatics 3 Magnesium Refill, 20.3-Ounce"
brand: "thrive aquatics"
price: "£2.99"
currency: GBP
in_stock: false
reviews_count: 1
url: https://www.desertcart.co.uk/products/19969353-thrive-aquatics-3-magnesium-refill-20-3-ounce
store_origin: GB
region: United Kingdom
---

# 20.3 oz capacity Easy dosing High concentration Thrive Aquatics 3 Magnesium Refill, 20.3-Ounce

**Brand:** thrive aquatics
**Price:** £2.99
**Availability:** ❌ Out of Stock

## Summary

> 🌊 Dive into Precision with Thrive Aquatics!

## Quick Answers

- **What is this?** Thrive Aquatics 3 Magnesium Refill, 20.3-Ounce by thrive aquatics
- **How much does it cost?** £2.99 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/19969353-thrive-aquatics-3-magnesium-refill-20-3-ounce)

## Best For

- thrive aquatics enthusiasts

## Why This Product

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

## Key Features

- • **Dosing Made Easy:** Streamlined analytics for effortless application.
- • **Color-Coded Clarity:** No more confusion—just simple, effective solutions.
- • **High Concentration Power:** Maximize your tank's health with potent formulations.
- • **Designed for Professionals:** Crafted for the discerning aquarist who demands excellence.
- • **Elevate Your Aquatic Experience:** Transform your aquarium with precision dosing!

## Overview

Thrive Aquatics 3 Magnesium Refill is a 20.3-ounce high-concentration solution designed for easy dosing and clarity in aquarium maintenance. With color-coded labeling and user-friendly analytics, it simplifies the process of enhancing your aquatic environment.

## Description

This product is designed to increase magnesium and correct ionic imbalances in your marine aquarium. Reef aquariums with high alkalinity and calcium demands maay need to correct ionic imbalances. Thrive's magnesium is formulated at 123,421 mg/kg, which is a saturated solution of magnesium chloride and magnesium sulfate. This means you won't find this blend of Magnesium in a higher concentration.

## Features

- Ease of dosing with Thrive Analytics
- Simple product names and color-coding to eliminate confusion
- High concentration solutions
- Ease of dosing with thrive analytics

## Images

![Thrive Aquatics 3 Magnesium Refill, 20.3-Ounce - Image 1](https://m.media-amazon.com/images/I/41IzWXkWf1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Five Stars
  

*by S***O on Reviewed in the United States 🇺🇸 on January 31, 2015*

Exactly what i expected

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**Shop now:** [https://www.desertcart.co.uk/products/19969353-thrive-aquatics-3-magnesium-refill-20-3-ounce](https://www.desertcart.co.uk/products/19969353-thrive-aquatics-3-magnesium-refill-20-3-ounce)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-16*