Magnesium for saltwater aquarium

40 produits

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AQUAFOREST - Mg plus - 250ml - Magnesium solution

(3 reviews)

€6.80

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AQUAFOREST - Magnesium - 750g - Magnesium for marine...

(9 reviews)

€6.99

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KORALLEN-ZUCHT Magnesium Complex Concentrate 500ml

€20.99

1 in stock

- ZOANTHUS.fr - Zoa Magnesium - 1 kg - To increase magnesium

(12 reviews)

€10.99

15 in stock

- ZOANTHUS.fr - Magnesium+ - 1000ml - Magnesium for aquarium

€12.99

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FAUNA MARIN - Balling Salt Magnesium Mix -1kg

€14.99 -€2.00 €12.99

FAUNA MARIN Balling Salt Magnesium Mix 1kg – Pure magnesium for vibrant corals

FAUNA MARIN Balling Salt Magnesium Mix 1kg is a special ultra-pure salt for magnesium supplementation in marine aquariums using the Balling Light method. This mix provides stable and bioactive magnesium , essential for optimal coral growth and maintaining balanced aquatic chemistry. The stabilized trace elements and minerals remain available longer for your marine inhabitants, promoting vibrant colors and strong skeletons for corals, shellfish, and invertebrates. Easy to use and compatible with all filtration systems, it ensures stable water and a consistent pH for a healthy and thriving aquarium.

Maintains a stable pH and optimal magnesium levels for coral health
Provides bioactive elements that promote coral growth and vibrancy
Compatible with all filtration systems and the modern Balling Light method

-€2.00
-€2.00
3 in stock

FAUNA MARIN - Elementals MG - 1000ml - Concentrated...

(1 review)

€21.99 -€2.00 €19.99

-€2.00
-€2.00
3 in stock

NYOS - Magnesium+ 1000g

€11.99

Nyos® MAGNESIUM+ is a high purity magnesium chloride. With MAGNESIUM+ you can increase the magnesium content in your saltwater aquarium quickly and easily.

high purity salt without organic impurities
quick and easy way to adjust the magnesium value
Ideal for any 2-part dosing system

1 in stock

NYOS - Magnesium+ 4000g

€36.99

Nyos® MAGNESIUM+ is a high purity magnesium chloride. With MAGNESIUM+ you can increase the magnesium content in your saltwater aquarium quickly and easily.

high purity salt without organic impurities
quick and easy way to adjust magnesium value
Ideal for any 2-part dosing system

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SEACHEM - Reef Advantage Magnesium 300gr

€11.99

6 in stock

SEACHEM - Reef Advantage Magnesium 600gr

€18.99

4 in stock

AQUATIC NATURE - All-In-1 X-Pro - 1000ml - Essential...

€29.30

1 in stock

Red Sea - Reef Foundation 3x250ml Nanokit

€35.99

2 in stock

Red Sea - Reef Foundation C (Mg) - 500ml

(1 review)

€16.99

4 in stock

Red Sea - Reef Foundation C (Mg) - 1kg powder

€28.99

2 in stock

Red Sea - Skeletal Elements - Reef Foundation ABC Plus...

(1 review)

€28.99

2 in stock

Red Sea - Reef Foundation ABC+ - 5kg

€68.99

1 in stock

Red Sea - Reef Foundation C (Mg) - 5L

€104.99

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FAUNA MARIN - Balling Salt Magnesium Mix - 4kg

(1 review)

€39.99 -€1.00 €38.99

FAUNA MARIN Balling Salts Magnesium Mix 4kg – Optimal magnesium intake for corals

FAUNA MARIN Balling Salt Magnesium Mix 4kg is the perfect choice for all marine aquarium enthusiasts seeking a stable and ultra-pure source of magnesium . Designed for the Balling Light method, it provides essential bioactive elements and minerals that enhance coral growth and color , while maintaining a stable and balanced pH in your aquarium. Its pharmaceutical purity ensures that trace elements remain available for longer, preventing coral blackening and promoting the health of shellfish, invertebrates, and calcifying algae. Easy to use, it integrates seamlessly with all filtration systems for an optimal marine environment.

Provides pure magnesium to support the growth and natural coloration of corals
Stabilizes the aquarium's chemical parameters and maintains a stable pH
Compatible with all filtration systems and the complete Balling Light method

-€1.00
-€1.00
2 in stock

AQUA-MEDIC - REEF LIFE Magnesium - 1000ml - Magnesium...

€21.99

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SEACHEM - Reef Fusion 1 500ml - Concentrated Calcium

€15.99

Reef Fusion 1™ and Reef Fusion 2™ form the basis of a system designed to provide the essential elements of the reef aquarium. When used as directed, Reef Fusion 1™ and Reef Fusion 2™ will maintain critical levels of calcium and alkalinity necessary for healthy coral growth.

8 in stock

GROTECH - kH + Ca 1, 2, 3 + Magnesium Pro - 1000ml

€49.99

1 in stock

POLYPLAB - ONE - 250ml - Concentrated solution in...

€15.99 -10% €14.39

-10%
-10%
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POLYPLAB - ONE - 500ml - Concentrated solution in...

€26.99 -10% €24.29

-10%
-10%
1 in stock

GROTECH - Magnesium Pro Liquid - 1000ml - Magnesium for...

(2 reviews)

€16.99

2 in stock

GROTECH - Magnesium Pro - 1kg - Substrate for Grotech limestone reactor - 1

GROTECH - Magnesium Pro - 1kg - Substrate for limestone...

€17.99

1 in stock

TRITON LABS - Mg - 5000ml - Magnesium supplement for...

€49.99

2 in stock

AQUAFOREST - MG Plus Lab - 1000ml - Magnesium for marine...

(1 review)

€15.99

8 in stock

AQUAFOREST - MG Plus Lab - 2000ml - Magnesium for marine...

(2 reviews)

€24.95

2 in stock

ATI - Essentials Mixed Reef Set 2x10L

(2 reviews)

€119.99

ATI Essentials Mixed Reef Set 2x10L – the complete solution for balanced mixed reefs

Designed for mixed reef aquariums, ATI Essentials Mixed Reef Set 2x10L offers a simple, effective, and modern approach to daily supplementation. This ultra-concentrated liquid system covers all the major and trace elements essential for healthy coral growth, while maintaining the overall water balance. Suitable for tanks with a medium to high fish population , it helps maintain stable parameters, promotes coral growth, coloration, and metabolism , and limits ionic drift. Ready to use, easy to dose, and designed for precise adjustment to the tank's actual needs , this 2x10L set is a reliable choice for worry-free maintenance.

Provides all the major elements and trace amounts without risk of overdose.
Ideal formula for mixed reef aquariums with fish
Simple titration with identical volumes for both solutions

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ROYAL NATURE - Magnesium Chloride - 1kg

€19.99

1 in stock

ROYAL NATURE - Magnesium Chloride - 4kg

(1 review)

€39.99

1 in stock

Red Sea - Reef Foundation C (Mg) - 1000ml

(1 review)

€26.99

6 in stock

TROPIC MARINE - Bio-Magnesium - 1.5 kg

€37.99

Bio-Magnesium from Tropic Marin provides the biologically ideal addition of magnesium to reef aquariums . Magnesium is one of the most important main compounds in seawater. It is biochemically involved directly in the photosynthesis of algae, in the transformation of carbon dioxide (CO2) and light into organic bonds.

1 in stock

- ZOANTHUS.fr - Zoa Magnesium - 2kg

(7 reviews)

€17.99

Zoanthus Magnesium is a balanced blend of magnesium chloride and sulfate . It safely increases magnesium levels in reef aquariums while maintaining ionic balance.

Magnesium chloride, purity >99.0%, Ph.Eur, USP, E 511

All products in our range are prepared and packaged on site in our warehouse.

Products are now packaged in resealable pouches for less breakage during shipping. They're also more environmentally friendly, with 80% less plastic than our previous packaging.

1 in stock

PRODIBIO - Promagnesium - 700 g - Increases magnesium in...

€19.99 -15% €16.99

Prodibio 's Promagnesium is a simple and economical solution for experienced aquarists wishing to raise the level of magnesium in their tank. A magnesium level of 1200/1450 mg/L is necessary to guarantee optimal and solid growth of coral skeletons, as well as calcareous algae.

-15%
-15%
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TRITON LABS - Mg - Magnesium - 1000 g - Saltwater supplement

€16.99

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AQUARIUM SYSTEMS - Reef Shot Magnesium - 24 x 20ml

(1 review)

€13.99

Discover Reef Shot Magnesium for a balanced and thriving marine aquarium. This supplement, essential to the good health of your reef ecosystem, ensures the well-being of your corals by promoting healthy and vigorous growth . With precise dosing, Reef Shot Magnesium maintains magnesium levels between 1200 and 1380 ppm , essential for photosynthesis and cell division, while contributing to the formation of the skeleton of reef organisms. Easy to use with clear instructions.

Optimal maintenance of magnesium levels for healthy coral growth.
Ease of use with clear instructions for precise dosing.
Responsible production and scientifically tested formula for safe use.

3 in stock

TROPIC MARIN - Magnesium Components - 500ml

€17.99

Tropic Marin Components Magnesium: essential element for coral health

Magnesium is an essential element for the health of corals and coralline algae. Tropic Marin - Components Magnesium is an ultra-pure and stabilized solution, ideal for compensating for magnesium deficiencies in reef aquariums. Its precise dosage allows for a targeted and secure supply, thus guaranteeing an optimal balance of your seawater. Compatible with a dosing pump , this supplement is an essential ally for maintaining a healthy marine environment.

Concentrated solution for precise magnesium intake.
Easy dosage thanks to the integrated dropper.
Compatible with manual dosing or a dosing pump.

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ATI Labs - Magnesium - 1000 ml

(1 review)

€19.99

ATI Labs - Magnesium - 1000 ml: The perfect balance for your corals

ATI Labs - Magnesium is a high-purity solution designed to effectively stabilize magnesium in reef aquariums. Developed and 100% controlled in Germany by ATI Laboratories, this solution ensures precise supplementation to maintain optimal ionic balance, essential for good coral health. Each bottle contains 100,000 mg of pure magnesium , ideal for daily use or to correct a deficiency detected by ICP analysis. Thanks to its excellent quality/price ratio , transparent traceability and compliance with the strictest European standards, it is a reliable choice for demanding aquarists, from beginners to experts.

Optimizes the growth of hard corals and coralline algae
Ultra-pure solution manufactured and tested in Germany
Prevents imbalances with calcium and alkalinity

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Find all the supplements concentrated in magnesium ( Mg ) for your reef aquarium.

Magnesium is one of the main elements in natural seawater. Its concentration should be around 1350 mg/L of water, even if higher levels are not a danger for the life of the corals.

It is consumed by hard corals and coralline algae during calcification . It is therefore essential to maintain a stable magnesium level .

Discover a wide choice of magnesium supplements at low prices at Zoanthus.fr , official supplier of the brands:

AquaForest , Fauna Marin , Red Sea , Seachem , Zoanthus.fr ...