Technical products


Skimmer 110 A protein skimmer is one of the most important pieces of technical equipment for a seawater aquarium. It has the vital task of removing protein compounds that occur in the water cycle before... Note: There are several variants of this ARTICLE.	Power Skimmer 500 A protein skimmer is one of the most important pieces of technical equipment for a seawater aquarium. It has the vital task of removing protein compounds that occur in the water cycle before... Note: There are several variants of this ARTICLE.	Calcium Reactor Stand by 75 An adequate supply of calcium is an essential requirement for a perfect, thriving reef aquarium. DuplaMarin calcium reactors increase the calcium concentration and carbonate hardness... Note: There are several variants of this ARTICLE.


Calcium Granulate, 3-5 mm, 1,300 g, Refill pack Used for regulating the pH value and hardening the water. Installed downstream of a sulphur-nitrate filter, the media neutralises the accumulated acids and acts as a pH buffer. Perfect for...	Calcium Hydroxide Reactor 110 Calcium Hydroxide Reactor 110 supplies the reef aquarium with essential calcium with ease and efficiency. A mixer pump mixes the calcium hydroxide with water inside the reactor. The reef... Note: There are several variants of this ARTICLE.	Calcium Hydroxide, 600 g The salt water aquarist uses DuplaMarin Calcium Hydroxide in calcium hydroxide reactors or to produce lime water (lime-water) solution (as per Wilkens). Increases the pH value. Perfect for...


Sulphur Nitrate Filter 75 (Size 1) High concentrations of nitrate can cause serious problems in the reef aquarium, often resulting in the loss of fish and corals. DuplaMarin Sulphur Nitrate Filters have been developed to reduce... Note: There are several variants of this ARTICLE.	Sulphur Granulate, 1,200 g Is used in sulphur-nitrate filters. Used both as a lasting source of nutrients and as a substrate for bacteria (thiobacillus denitrificans). Perfect for DuplaMarin Sulphur-Nitrate Filter. Note: There are several variants of this ARTICLE.	Siliphos Filter The compact Siliphos disposable filter, filled with 840ml of Dupla Siliphos, can be connected to any common filter type. It can also be operated with a feed pump and is compatible with the...


Fluidised Bed Reactor WB 90C The Fluidised Bed Reactor WB 90C keeps fine-grained filter material constantly suspended in a current of water. This prevents silting of the material, increasing efficiency. The Fluidised Bed...	Zeolith micro 0,5-1 mm, 900 g Binds nitrogen compounds to a high degree, purifying and detoxifying the aquarium water, reducing the phosphate content, and regulating the biological equilibrium. Perfect for DuplaMarin...	Carbon Premium, 3 mm, 500 g DuplaMarin Carbon premium activated-carbon pellets detoxify the water in aquaria, preventing yellow casts, removing enduring organic pollutants, binding residues of medication and algicides and...


CO₂ Pro fitting Pressure reducer with control accuracy and precise bubble count setting. Series connection of several fittings possible, i.e. CO₂ supply of several aquaria with only one CO₂...	CO₂ bottle. 500 g Steel CO₂ bottle with bracket for wall mounting. Note: There are several variants of this ARTICLE.	Silicone Tube, 1x3 mm, 1,5 m, s.s. Gastight CO₂ hose.


Duplasafe-Valve (Check valve) Non-return valve for CO₂ hoses and air hoses. Prevents water flowing back into the CO₂ reservoir for instance.	Dupla CO₂ - Bubble Counter For visual inspection of CO₂ supply. With integrated safety valve. Simple installation above or below the aquarium. Supplied with wall fixing.	Dupla CO₂ - Magnetic Valve Controls the CO₂ supply via a timer switch (semi-automatic regulation) or a pH-regulator (fully-automatic regulation).


Dupla pH-Control Alpha Microprocessor-controlled instrument for regulating the pH-value, complete with digital display. Regulating range: from pH 0 -9.99, Breaking capacity: 1,000 VA / 230 Volt. Regulating accuracy: 0.1...	Dupla pH-Set Delta pH regulator for CO₂ dosage. Consisting of Dupla pH Control Delta, gel electrode, plug-in power supply unit, pH4 calibration solution, pH7 calibration solution, Dupladest, measuring beaker.	Dupla pH-electrode set High quality glass electrode. Includes: 10 ml pH4 calibration solution, 10 ml pH7 calibration solution, 10 ml Dupladest and 3 test beakers.


Dupla Calibration Solution pH 7 Buffered calibration solution for balancing the zero point of the Dupla pH control with the Dupla pH electrode.	Dupla Calibration Solution pH 9 Buffered calibration solution for balancing the gradient of the Dupla pH control with the Dupla pH electrode.	Dupla Dest, 100 ml Distilled water.


Dupla Cleaning Solution, 100 ml Cleaning Solution for pH electrodes.	Dupla Potassium chloride 3-mol, 10 ml Potassium chloride electrolyte for electrodes.	Dupla KCL-Set Refill kit for electrodes.