Description: Tech M Magnesium supplement is a ionically balanced product which will safely raise the magnesium level in any marine system without upsetting the ionic balance of the system. Tech M is very concentrated, containing...

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Seachem Reef Advantage Magnesium

SeaChem Reef Advantage Magnesium ™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural ...

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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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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-b...

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Our Price: $7.79

Item Code: BW01038

Kent Marine Iron & Manganese

Description: Kent Marine Super Chelated Iron Supplement with Manganese provides bio-available iron to all reef inhabitants. Although present in salt mixes, iron is rapidly used up in the system, and removed through precipitation...

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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 ...

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Our Price: $8.09

Item Code: BW01118

Salifert Magnesium

Why is Magnesium required? Magnesium is present in NSW (Natural Sea Water) in a fairly high concentration (1350 – 1500 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosyn...

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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, mangrove...

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Our Price: $7.89

Item Code: BW01019

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

Overview 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 concentration in the...

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Our Price: $11.99

Item Code: BW01241

Blue Life Precision Magnesium

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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Korallin Magnesium Plus

Magnesium is present in natural sea water in a fairly high concentration (1350 - 1500 mg/L) and an essential element of chlorophyll which is necessary for photosynthesis. Without photosynthesis, plants, algae and coral would not b...

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Sera Marin Magnesium COMPONENT #6 (500ml)

Contains important Magnesium. Magnesium and Calcium must be present in a balanced ratio for the optimal growth of corals and other invertebrates. The Magnesium level should not be below 1,300 mg/l (ppm). The sera Mg-Test kit provi...

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Our Price: $17.49

Item Code: US03429

Red Sea Reef Success Magnesium 400mL

Magnesium performs many important biological functions in an aquarium and helps to prevent the excessive precipitation of calcium and bicarbonate. Aquariums that require few water changes must be supplemented with magnesium to mai...

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Our Price: $9.99

Item Code: RS7447

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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Elos Prima Line 04 Combi Magnesium 500mL

Prima Line 04 Combi Magnesium 500ml Prima Combi-mg is an innovative additive formulated using highly bio-available organic magnesium, designed for a DOUBLE EFFECT: to MAINTAIN the correct level of magnesium inside the tank,...

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Our Price: $17.99

Item Code: EO1343

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March 06, 2010
"Marine Depot is AWESOME. I purchased my item and it was at my home in two days using normal UPS shipping!!! Thank you for your great customer service."
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March 05, 2010
"Delivery time is unsurpassed. If you need it fast, there is no place faster than Marine Depot for standard shipping. They also have almost anything I could need for a reef tank."
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March 01, 2010
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Refugiums and Sumps - Take your reef to the next level