---
product_id: 39866964
title: "Brightwell Aquatics Magnesion Liquid Salt Water Conditioner - Concentrated Magnesium Supplement For Reef and Marine Aquariums, 67.6 fl oz"
brand: "brightwell aquatics"
price: "€ 104.40"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/39866964-brightwell-aquatics-magnesion-liquid-salt-water-conditioner-concentrated-magnesium-supplement
store_origin: HR
region: Croatia
---

# 67.6 fl oz concentrated solution Pure ionic magnesium, no organics Maintains 1290-1320 ppm magnesium balance Brightwell Aquatics Magnesion Liquid Salt Water Conditioner - Concentrated Magnesium Supplement For Reef and Marine Aquariums, 67.6 fl oz

**Brand:** brightwell aquatics
**Price:** € 104.40
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate Your Reef’s Radiance with Pure Magnesium Power!

## Quick Answers

- **What is this?** Brightwell Aquatics Magnesion Liquid Salt Water Conditioner - Concentrated Magnesium Supplement For Reef and Marine Aquariums, 67.6 fl oz by brightwell aquatics
- **How much does it cost?** € 104.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/39866964-brightwell-aquatics-magnesion-liquid-salt-water-conditioner-concentrated-magnesium-supplement)

## Best For

- brightwell aquatics enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Dosing:** Treats up to 1,000 gallons with just 250 ml, ensuring easy maintenance of ideal magnesium levels.
- • **American-Made Quality:** Crafted in the USA with rigorous scientific standards for superior aquarium vitality.
- • **Pure & Powerful Formula:** Free from EDTA, gluconate, and polygluconate for uncompromised aquatic health.
- • **Reef-Building Essential:** Supports aragonite formation, vital for coral and clam skeletal strength.
- • **Precision Magnesium Boost:** Delivers a potent, scientifically formulated dose to optimize reef calcium-carbonate balance.

## Overview

Brightwell Aquatics Magnesion is a high-concentration ionic magnesium liquid conditioner designed to maintain optimal magnesium levels (1290-1320 ppm) in reef and marine aquariums. Free from unwanted organic additives, it supports the critical balance of calcium and carbonate ions, promoting healthy aragonite formation essential for coral and clam skeletons. Made in the USA and backed by empirical marine science, this 67.6 fl oz formula treats up to 1,000 gallons, delivering precise, effective reef care for vibrant aquatic ecosystems.

## Description

Brightwell Aquatics Magnesion Liquid Salt Water Conditioner - Concentrated Magnesium Supplement For Reef and Marine Aquariums, 67.6 fl oz

## Features

- HIGH-CONCENTRATION IONIC MAGNESIUM SOLUTION - Magnesion Liquid Reef Salt Water Conditioner is a high-concentrate solution for maintaining the optimal balance in aquarium reef tanks. Magnesium salt regulates aquarium calcium and carbonate concentrations to prevent excessive inorganic precipitation
- REEF-BUILDING ESSENTIAL - Our aquarium water conditioner is a highly-concentrated ionic magnesium solution that plays a vital role in the formation of aragonite, the skeletal material of reef-building organisms like coral and clams
- FREE FROM ORGANIC MATERIAL - This aquarium water conditioner contains no unwanted organic material such as EDTA, gluconate, or polygluconate, providing a pure formula for your aquarium's well-being. A powerful solution, it effectively boosts the health and vitality of aquatic ecosystems
- DIRECTIONS – Before use, shake the supplement well. Administer 5 ml (1 capful) every other day, or as necessary, to sustain magnesium levels between 1,290 - 1,320 ppm in 20 gallons of aquarium water. When employed this way, 250 ml treats up to 1,000 gallons (3,785 L)
- AMERICAN-MADE EXCELLENCE – Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium

## Product Details

- **Brand:** Brightwell Aquatics
- **Liquid Volume:** 67 Fluid Ounces
- **Item Weight:** 1 Pounds
- **Item Form:** Liquid
- **Manufacturer:** TopDawg Pet Supply

## Images

![Brightwell Aquatics Magnesion Liquid Salt Water Conditioner - Concentrated Magnesium Supplement For Reef and Marine Aquariums, 67.6 fl oz - Image 1](https://m.media-amazon.com/images/I/71L9NU170+L.jpg)

## Available Options

This product comes in different **Size** options.

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-03*