The skimmer has to ensure the proper degree of purity for hard corals in case of an excessive fish burdening, whereas an especially high performance is required if it's used as a "stand-alone solution". Hard coral aquariums (SPS) with a high population of fish require an extremely high skimming capacity. Thus, a DOC skimmer for 1,000 liters (264 USgal.) should be used for a tank with a maximum content of approx. In this type of aquarium, the DOC skimmer is frequently used as a "stand-alone solution". ![]() Good oxygen saturation and very clear water are the pre-requisites. They should have no load of phosphates or nitrates worth mentioning. 600 liters (158 USgal.).Īquariums with primarily small-polyp stoney corals (SPS) require an especially high degree of purity. A DOC skimmer that is designed for 1,000 liters (264 USgal.) is likely to only skim 40% of organic substances with this light pollution. The DOC Skimmer can be used for the recommended aquarium volume without reductions.Īmedium organic sensitivity is usually found in mixed aquariums inhabited with leather and stoney corals (LPS). ![]() 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. For this reason, the aquarium volumes recommended for the skimmer should be reduced for more sensitive biotopes, if and when necessary. Based on a standard marine aquarium with leather corals, the data on the suitable aquarium size may differ for other biotope compositions. ![]() How do you select the right DOC skimmer for a marine aquarium?ĭue to its biotope composition, every marine aquarium has a different sensitivity with respect to the organic load.
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