---
product_id: 389122482
title: "Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums"
brand: "red sea"
price: "57172 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/389122482-reef-foundation-c-magnesium-mg-supplement-5-l-maintains-magnesium
store_origin: IS
region: Iceland
---

# Optimized for marine & reef aquariums Tested for safety & coral health Maintains precise magnesium balance Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums

**Brand:** red sea
**Price:** 57172 kr
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate your reef’s glow with precision magnesium care!

## Quick Answers

- **What is this?** Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums by red sea
- **How much does it cost?** 57172 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/389122482-reef-foundation-c-magnesium-mg-supplement-5-l-maintains-magnesium)

## Best For

- red sea enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Reliable:** Clinically tested to protect delicate coral life stages
- • **Generous 5L Supply:** Long-lasting volume for consistent aquarium care
- • **Reef-Ready Formula:** Specifically designed to support vibrant marine ecosystems
- • **Compact & Convenient:** Space-saving design fits seamlessly into your reef setup
- • **Perfect Magnesium Stability:** Ensures your corals thrive with balanced Mg levels

## Overview

Red Sea Reef Foundation C Magnesium Supplement delivers a scientifically balanced magnesium boost essential for healthy coral growth in marine and reef aquariums. This 5-liter, safety-tested formula supports all coral life stages, ensuring vibrant, thriving underwater ecosystems with every dose.

## Description

Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums

## Features

- Quality And Performance Driven Products For Your Pet
- Tested For Safety And Health
- Provide A Better Quality Of Living For Your Pet With Red Sea
- Package Dimensions: 5.82677165354331" L X 7.79527559055118" W X 10.5511811023622" H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 12.7 x 5.08 x 10.16 cm; 453.59 g |
| Item model number | 63322035 |
| Pet Life Stage | All Life Stages |
| Item Form | Cream |
| Allergen Information | Amberjack Free |
| Size | 5 L |
| Quantity | 1 |
| Specific Uses | Aquarium Supplies |
| batteries required | No |
| Batteries Included | No |
| Item Weight | 454 g |

## Product Details

- **Brand:** Red Sea
- **Liquid volume:** 5 Liters
- **Item weight:** 1 Pounds
- **Item form:** Cream
- **Target species:** Fish

## Images

![Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums - Image 1](https://m.media-amazon.com/images/I/51L6G+OHHJL._AC_UL320_.jpg)
![Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums - Image 2](https://m.media-amazon.com/images/I/51L6G+OHHJL._AC_UL480_FMwebp_QL65_.jpg)
![Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums - Image 3](https://m.media-amazon.com/images/I/51L6G+OHHJL._AC_UL640_FMwebp_QL65_.jpg)
![Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums - Image 4](https://m.media-amazon.com/images/I/51L6G+OHHJL._AC_UL800_FMwebp_QL65_.jpg)
![Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums - Image 5](https://m.media-amazon.com/images/I/51L6G+OHHJL._AC_UL960_FMwebp_QL65_.jpg)

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**Shop now:** [https://www.desertcart.is/products/389122482-reef-foundation-c-magnesium-mg-supplement-5-l-maintains-magnesium](https://www.desertcart.is/products/389122482-reef-foundation-c-magnesium-mg-supplement-5-l-maintains-magnesium)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-26*