E.S.V. B-Ionic 2-Part Calcium Buffer

B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders...

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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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E.S.V. Granular Activated Carbon

Our Granular Activated Carbon based on bituminous coal provides the best combination of pore size, large particle size, high surface area, low ash, and hardness for chemically filtering aquarium water. In addition, test results in...

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E.S.V. Zap Gel Instant Adhesive 0.70 oz. Tube

A cyanoacrylate gel type instant adhesive. Excellent for gluing stony coral fragments to coral rock and other surfaces. No messy mixing of 2-part epoxy puttys, or concern with irritation to tank inhabitants from leaching amine epo...

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E.S.V. Calcium Chloride

Calcium Chloride is a very pure anhydrous grade free of phosphates and nitrates. The advantage of using Calcium Chloride as a calcium supplement in marine aquaria is its very high solubility in water. This property allows the aqua...

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E.S.V. Calcium Hydroxide

Calcium Hydroxide is the proven standard for maintaining calcium concentration and alkalinity in closed marine aquaria. The calcium provided is directly used by calcifying organisms, and the hydroxide ions provided readily convert...

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E.S.V. Zap Gel Instant Adhesive 0.11 oz. Tube

A cyanoacrylate gel type instant adhesive. Excellent for gluing stony coral fragments to coral rock and other surfaces. No messy mixing of 2-part epoxy puttys, or concern with irritation to tank inhabitants from leaching amine epo...

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E.S.V. Strontium Chloride Solution

Strontium Chloride Solution is a very pure and concentrated form of strontium, free of phosphates and nitrates. The aquarist should be aware that Strontium Chloride does not add bicarbonate and carbonate ions to the system. Since ...

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E.S.V. Potassium Iodide Solution (1%)

Potassium Iodide Solution is a very pure form of iodide. Iodide is an important micro-nutrient for many marine plants. It has also been suggested that iodide may play an important role in enhancing a coral`s ability to adapt to ra...

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E.S.V. Spray Dried Marine Phyoplankton

ESV`s Spray-Dried Marine Phytoplankton (SDMP) is the most versatile food available to the reef aquarist. SDMP effectively eliminates the need for purchasing or culturing live phytoplankton cultures for your reef aquarium. Phytopla...

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E.S.V. Bromide Flouride Supplement 16 fl oz.

Bromide-Fluoride Supplement conservatively adds these important major ions which can be depleted via calcification and biological organic synthesis. Fluoride is concentrated in coral skeleton and may play an important role in calc...

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