🧪 Tropic Marin® Bio-Magnesium – Ideal Magnesium Supplement for Reef Aquariums

Supports Healthy Coral Growth | Enhances Photosynthesis | No Phosphates or Nitrates

Magnesium is crucial for reef aquariums, playing a vital role in coral skeletal growth and algae photosynthesis. Tropic Marin® Bio-Magnesium delivers magnesium and carbon dioxide in a biologically optimal form, helping to prevent magnesium deficiency and maintain a balanced ratio of essential alkaline earth metals.

✅ Key Benefits:

Biologically Ideal Magnesium Supply
Provides magnesium in a crystalline form for strong coral and coralline algae skeletal development.
Supports Photosynthesis
Supplies carbon dioxide for zooxanthellae to enhance photosynthesis and coral calcification.
Natural Ionic Balance
Does not alter the ionic composition or pH of the aquarium water.
High Purity Formula
Contains no phosphates, nitrates, or unnatural by-products.
Easy and Precise Dosing
Available in both powder and liquid form for flexible dosing options.

📦 Ingredients:

Magnesium salts
Sodium and potassium
70 trace elements

📈 Application & Dosage:

Powder:

1 measuring spoon raises magnesium by 10 mg/L per 100 L (26 gallons).
Maximum: 2 spoons per 100 L per day.

Liquid:

15 ml (½ fl. oz.) raises magnesium by 21 mg/L per 38 L (10 US gallons).
Maximum: 15 ml per 10 US gallons per day.

➡️ Add powder by stirring at the water surface and wait for it to dissolve fully before adding more.
➡️ Liquid can be added directly to the tank or through a dosing pump.

Important:

Avoid magnesium concentrations above 1600 mg/L.
Monitor specific gravity and calcium levels regularly using Tropic Marin® Calcium/Magnesium-Combitest Professional.

Dosing calculator

Other product recommendations

Besides checking the density, the magnesium concentration and the calcium content should also be observed. The Tropic Marin® Calcium/Magnesium-Combitest Professional is best suited for this. As a calcium source we recommend Tropic Marin® Carbocalcium.

Achieve healthy, vibrant corals with Tropic Marin® Bio-Magnesium — trusted by reefkeepers for stable, thriving reef environments.

Tropic Marin - Bio-Magnesium Powder 1.5kg

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