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Next catalogue page.>> << Previous catalogue page.TUNZE DOC skimmer
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How do you select the right DOC skimmer for a marine aquarium ?
Due its biotope composition, every marine aquarium has a different sensitivity with respect to the organic load. Basing on a standard marine aquarium with leather corals, the data on the suitable aquarium size may differ in other biotope compositions. For this reason, the aquarium volumes recommended for the skimmer should be reduced in case of sensitive biotopes, if and when necessary.
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Comline® DOC Skimmer / DOC Skimmer / Master DOC Skimmer
Low sensitivity, no reductions
In leather coral aquariums with long-polyp corals and anemones, for example, the load of dissolved organic matter may be higher, sometimes it may even be vital. The DOC Skimmer can be used for the recommended aquarium volume without reductions.
Average sensitivity, 40 per cent reduction
A medium organic sensitivity is usually found in mixed aquariums inhabited with leather and stoney corals (LPS). Filter-feeding animals, sponges, et cetera, are found there frequently as well. For these aquariums, a reduction of about 40 per cent of the skimming capacity is calculated. Thus, a DOC skimmer for 1,000 litres (264 USgal.) should be used for a tank with a maximum content of 600 litres (158 USgal.).
Increased sensitivity, 60 per cent reduction
Aquariums with primarily small-polyp stoney corals (SPS) require an especially high degree of purity. They should have no load of phosphates or nitrates worth mentioning. Good oxygen saturation and very clear water are the pre-requisites. In this type of aquarium, the DOC skimmer is frequently used as a “stand-alone solution”, thus a model for 1,000 litres (264 USgal.) should be used for a tank with a maximum content of 400 litres (105 USgal.).
High sensitivity and high load. 70 per cent reduction
Hard coral aquariums (SPS) with a high population of fish require an extremely high skimming capacity. The skimmer has to ensure the degree of purity for hard corals in case of above-average fish stock; as a “stand-alone solution” an especially high performance is required. Thus, a DOC skimmer for 1,000 litres (264 USgal.) should be used for a tank with a maximum content of 300 litres (79 USgal.).
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Nano DOC Skimmer / Classic DOC Skimmer
These skimmers operate on the horizontal rotation principle; the whole skimmer uses the so-called osmotic skimming process, and for this reason coarser particles in the size of plankton are not removed. This operational method is very gentle; the extremely flat construction makes it the smallest skimmer in its performance class.
Low sensitivity, no reductions
In leather coral aquariums with long-polyp corals and anemones, for example, the share in dissolved organic matter may be higher, sometimes it may even vital. In this type of aquarium, the recommended aquarium volume can be used without reduction.
High sensitivity for breeding tanks with plankton, 70 per cent reduction
Stone coral aquariums or other breeding tanks with plankton food require an especially high degree of purity. Good oxygen saturation and very clear water are the pre-requisites. Thus, a Classic DOC skimmer for 1,000 litres (264 USgal.) should be used for a tank with a maximum content of 300 litres (79 USgal.).
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The prices listed in the catalogue are given in EUR and contain a value-added tax of 19%. Additional information:
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