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Elos NH3/4 Ammonia Test Kit

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£19.99
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Current price £19.99

Ammonia (NH3) is toxic to corals, invertebrate and fishes. At high pH level (as in a marine aquarium) and at increased temperatures, NH3 can kill t...

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£19.99
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Elos KH Carbonate Hardness Test Kit

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£11.95
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Current price £11.95

Alkalinity is essentially a means of quantifying the stability of pH in a solution, such as aquarium water. It is a measure of the concentration of...

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Elos NO3 Nitrate Test Kit

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£15.99
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Current price £15.99

Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomo...

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Elos Liquid Magnesium Additive 250ml

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£13.99
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Based on an organic complex of Magnesium, it delivers a much higher bio-availability than an ionic formula, thus improving its assimilation by the...

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Elos Alkali Liquid (Ca, Mg, Sr) 250ml

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Alkali is a concentrated, ionically balanced blend of alkaline compounds designed to restore and maintain the correct "Alkaline Balance" to levels...

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Elos NO3 Nitrate High Resolution Test Kit

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£34.99
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Current price £34.99

In nature the population of zooxanthelle is controlled by the level of nutrients (nitrates and phosphates) present in the water.In a modern reef aq...

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Elos Trace Elements Liquid 250ml

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£13.99
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Elements is a concentrated, blend of Iodine, Bromine, Fluorine, Lithium, Molybdenum, Vanadium and Minor Trace Elements designed to restore and mai...

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Elos Cu Copper Test Kit

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£15.99
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Due to a number of stress factors aquarists can experience outbreaks of parasitic diseases.Treatment with Copper is often the only way to cure infe...

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Elos K Potassium Test Kit

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£34.99
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Current price £34.99

Potassium is a very important chemical in biochemistry and cell biology. It is a major element in natural seawater with a similar concentration to ...

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Elos PO4 Phosphate High Resolution Test Kit

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£34.99
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Current price £34.99

In nature the population of zooxanthelle is controlled by the level of nutrients (nitrates and phosphates) present in the water.In a modern reef aq...

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Elos Liquid Integra 250ml

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Solution of Organic Potassium. In aquariums where zeolite-based filtration is implemented, the concentration of Potassium often becomes a limiting...

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Elos pH Marine Test Kit

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£11.95
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Current price £11.95

The pH-value or acid value indicates how acidic or alkaline water is. It is a measure of the concentration of the acidic or alkaline components in ...

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Elos Fe Iron Test Kit

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£19.99
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Iron, in the modern aquarium, is a very important element. Its lack, as in excess, can put at risk the balance of the entire eco-system. In fresh w...

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Elos MG Magnesium Test Kit

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£21.99
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Current price £21.99

Magnesium is a major salt in natural seawater. Contrary to its significance this element was ignored for a long time. We know today that Magnesium ...

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Elos NO2 Nitrite Test Kit

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£15.99
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Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomo...

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£15.99
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Current price £15.99

Elos Ca Calcium Test Kit

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£21.99
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Current price £21.99

Calcium is the primary building block for corals, calms, calcareous algae and many other marine organisms that we grow in our aquarium. Its careful...

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Elos Carbonates Liquid KH Buffer 250ml

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£13.99
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Prima Carbonates is a specially formulated blend of carbonates, borates and bicarbonate salts designed for a DOUBLE EFFECT; it RESTORES the alkali...

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