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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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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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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Brightwell Aquatics Neo Mag Magnesium Media For Reef 2.2lbs 1000g

• High-purity, magnesium-rich mineral that may be employed in traditional calcium reactors, or even blended in to pre-existing aquarium substratum, to gradually increase and maintain the magnesium concentrat...

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