---
product_id: 56310744
title: "Reef Advantage Magnesium, 300 g"
brand: "seachem"
price: "€ 24.97"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/56310744-reef-advantage-magnesium-300-g
store_origin: NL
region: Netherlands
---

# No ammonia, pure & safe Concentrated 300g powder Ionically balanced formula Reef Advantage Magnesium, 300 g

**Brand:** seachem
**Price:** € 24.97
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate your reef’s vitality with precision magnesium mastery!

## Quick Answers

- **What is this?** Reef Advantage Magnesium, 300 g by seachem
- **How much does it cost?** € 24.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/56310744-reef-advantage-magnesium-300-g)

## 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

- • **Concentrated Power:** 300g of highly effective powder delivers maximum impact with minimal dosing.
- • **Easy Dosing Routine:** Simple 1 teaspoon per 20L mix keeps your reef thriving with daily renewal.
- • **Pure & Safe Formula:** Contains zero ammonia, ensuring a healthy environment for your aquatic life.
- • **Trusted Reef Support:** Essential for vibrant coral growth and overall aquarium stability.
- • **Precision Ionic Balance:** Maintains optimal magnesium levels to prevent ionic imbalance in reef tanks.

## Overview

Seachem Reef Advantage Magnesium is a concentrated, ionically balanced magnesium powder designed to maintain ideal magnesium levels in reef aquariums. Free from ammonia, it supports ionic stability critical for coral health. Easy to dose and renew daily, this 300g formula ensures your aquatic ecosystem thrives with vibrant, balanced water chemistry.

## Description

Reef Advantage Magnesium, 300 g

## Features

- Concentrated, blended, ionically balanced magnesium source
- Contains NO Ammonia
- Vitally important in preventing ionic imbalance
- Model number: 020424

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Pet Type | Fish |
| Product Dimensions | 12.45 x 6.1 x 5.84 cm; 300 g |
| Item model number | 636 |
| Item Form | Powder |
| Allergen Information | Allergen-Free |
| Size | 300 g |
| Number of Items | 1 |
| Quantity | 1 |
| Batteries required | No |
| Batteries Included | No |
| External Testing Certification | Não aplicável |
| Item Weight | 300 g |

## Product Details

- **Brand:** Seachem
- **Liquid volume:** 300 Millilitres
- **Item weight:** 0.3 Kilograms
- **Item form:** Powder
- **Manufacturer:** Seachem

## Images

![Reef Advantage Magnesium, 300 g - Image 1](https://m.media-amazon.com/images/I/71GjvmGJoGL.jpg)

## Frequently Bought Together

- Seachem Reef Advantage Magnesium, 300 g
- Salifert Carbonate Hardness & Alkalinity (Kh/Alk) Test Kit, 100-200 Tests
- Salifert Phosphate Test Kit

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**Shop now:** [https://www.desertcart.nl/products/56310744-reef-advantage-magnesium-300-g](https://www.desertcart.nl/products/56310744-reef-advantage-magnesium-300-g)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-05-13*