Brightwell Magnesion Liquid Magnesium 17 oz. (500 ml)
Highly-concentrated ionic magnesium solution designed to support stable water chemistry in marine aquariums. Magnesium helps regulate the balance between calcium and carbonates, which is essential for the formation of aragonite—the mineral secreted by reef-building organisms like corals, clams, and their allies.
Formulated by a marine scientist, this product delivers effective magnesium without unwanted organic additives such as EDTA, gluconate, or polygluconate. It is stronger than most competing magnesium solutions and ensures reliable performance in reef systems.
| Specification | Value |
|---|---|
| Volume | 17 oz (500 ml) |
| Active Ingredient | Ionized Magnesium |
| Formulation | Non-organic, ionic solution |
| Key Benefit | Supports aragonite formation and calcium-carbonate balance |
FAQ
What is the role of magnesium in a marine aquarium?
Magnesium helps maintain the proper balance between calcium and carbonates, which is essential for the formation of aragonite—the mineral used by corals, clams, and other reef organisms to build their skeletons.
Does this product contain any organic additives?
No, Brightwell Magnesion contains no EDTA, gluconate, or polygluconate. It is formulated with pure ionic magnesium.
How does this magnesium solution compare to others on the market?
This product is stronger than most competing magnesium solutions and provides a more reliable concentration for maintaining stable reef water chemistry.
Benjamin Short –
I’ve used this magnesium solution for three months in my 120-gallon reef tank. The water chemistry has remained stable, and my corals have shown no signs of stress. No need to adjust calcium or alkalinity frequently. Clear, easy to mix, and effective.
Lucas Johnston –
The magnesium levels stayed consistent over a two-month period. I appreciate that it doesn’t contain organic binders, which can sometimes interfere with water parameters. A reliable choice for reef keepers.
Jane McLean –
After switching from a cheaper brand, my tank’s aragonite formation improved noticeably. The solution is easy to dose and has no off-odors or residue. Works well with my calcium and alkalinity regimen.