---
product_id: 10514793
title: "Reef Advantage Magnesium, 4 kg / 8.8 lbs"
brand: "seachem"
price: "€ 157.22"
currency: EUR
in_stock: true
url: https://www.desertcart.de/products/10514793-reef-advantage-magnesium-4-kg-8-8-lbs
store_origin: DE
region: Germany
---

# Minimal ionic impact Ammonia-free Concentrated formula Reef Advantage Magnesium, 4 kg / 8.8 lbs

**Brand:** seachem
**Price:** € 157.22
**Availability:** ✅ In Stock

## Summary

> 🌟 Dive into a healthier reef!

## Quick Answers

- **What is this?** Reef Advantage Magnesium, 4 kg / 8.8 lbs by seachem
- **How much does it cost?** € 157.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/10514793-reef-advantage-magnesium-4-kg-8-8-lbs)

## Best For

- seachem enthusiasts

## Why This Product

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

## Key Features

- • **Pure & Safe:** No ammonia, no worries.
- • **Optimal Blend:** Chloride and sulfate salts for maximum effectiveness.
- • **High Efficiency:** 300g treats up to 1200 gallons.
- • **Eco-Friendly Formula:** Designed to mimic natural seawater.
- • **Elevate Your Aquarium:** Boost magnesium levels effortlessly!

## Overview

Reef Advantage Magnesium is a premium 4 kg (8.8 lbs) supplement that effectively raises magnesium levels in your aquarium while ensuring minimal disruption to the ionic balance of natural seawater. With no ammonia and a concentrated formula, it treats up to 1200 gallons with just 300 grams, making it the ideal choice for responsible aquarists.

## Description

Reef Advantage Magnesium, 4 kg / 8.8 lbs

## Features

- Raises Magnesium and contains no ammonia
- A concentrated optimized blend of magnesium, Chloride, and Sulfate salts designed to restore depleted levels of magnesium
- Minimal impact to the ionic ratios found in natural sea water
- Contains no ammonia, a common contaminant in every liquid Magnesium supplement on the market
- 300 grams treats 1200 US gallons

## Product Details

- **Brand:** Seachem
- **Liquid Volume:** 8.8 Liters
- **Item Weight:** 4 Kilograms
- **Item Form:** Powder
- **Manufacturer:** Seachem Laboratories, Inc.

## Images

![Reef Advantage Magnesium, 4 kg / 8.8 lbs - Image 1](https://m.media-amazon.com/images/I/818qrSqXL0L.jpg)

## Frequently Bought Together

- SEACHEM LABORATORIES Reef Advantage Magnesium 4kilo
- Reef Advantage Calcium, 4 kg / 8.8 lbs

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---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-01*