Magnesium and Iron > Additives > Saltwater Aquarium Supplies

Precision Magnesium is a well-balanced supplement that is designed to raise and maintain magnesium levels as well as enhance coral growth. This product contains 80,000 ppm (mg/L) of magnesium and is one of the strongest magnesium ...

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$8.99 to $22.99

Brightwell Aquatics Ferrion - Liquid Iron Supplement for Reef Aquaria and Refugia 500ml / 17oz

Overview Highly-concentrated and stable iron solution for supplementing aquaria containing hermatypic organisms (i.e. “photosynthetic” or zooxanthellate corals, clams, and their allies), macroalgae, coralline algae, mangroves, ...

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Our Price: $7.49

Item Code: BW01019

Brightwell Aquatics Magnesion - Liquid Magnesium Supplement for Reef Aquaria 500ml / 17oz

Overview Highly-concentrated ionic magnesium solution. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and is a component of aragonite, the mineral secreted by reef-buil...

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Our Price: $7.39

Item Code: BW01038

Brightwell Aquatics Magnesion-P - Dry Magnesium Supplement for Reef Aquaria 300g / 10.6oz

Overview High-purity powdered magnesium blend. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and is a component of aragonite, the mineral secreted by reef-building org...

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Our Price: $7.59

Item Code: BW01118

E.S.V. B-Ionic Magnesium

Through the chemical process known as "ion-pairing", magnesium ion concentration influences the saturation point for calcium corbonate in solution. In general, the further the magnesium concentration drops from natural seawater le...

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Ecosystem Aquarium Eco Iron

ECO Iron Description: Provides iron for macroalgaes in a Refugium system. Type: Reef Aquarium Supplement Main Points: Raises iron levels in marine systems Phosphate and Nitrate Free Provides immediate bio-availa...

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$6.99 to $10.99

Ecosystem Aquarium Eco Magnesium

EcoSystem Aquarium® Technical Specifications ECO Magnesium Liquid Description: Adds essential magnesium for all reef inhabitants. Type: Marine Supplement Main Points: Adds magnesium in marine systems Raises magn...

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Ecosystem Aquarium Eco Magnesium 2 - 300g pouches

Magnesium Powder Concentrate makes 2 gallons liquid product

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Our Price: $49.99

Item Code: EC3281

Elos Expert Line Extra Iron 25mL

Expert Line Extra Iron 25ml Iron is a key element for all forms of vegetation or animal life. Necessary to transport oxygen and nourishment inside the tissues, iron is known as a catalyst in the building of chlorophyll and enzy...

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Our Price: $26.99

Item Code: EO1421