Classic DOC skimmer

These skimmers operate according to the horizontal rotation principle and are driven by the Hydrofoamer. The entire skimmer operates on the basis of the so-called contact skimming method. For this reason, coarser particles in the size of plankton are not drawn in. This method of operation is very gentle so that no living plankton is drawn into the pump circuit. The extremely flat construction makes it the smallest skimmer in its performance class.

Low sensitivity
In soft coral aquariums with leather corals and anemones, for example, the share in dissolved organic matter may be higher, sometimes it may even be vital. In this type of aquarium, the recommended aquarium volume can be used without deduction.

High sensitivity
Aquariums with primarily small-polyp stony corals (SPS) require an especially high degree of purity. They should have no load of phosphates or nitrates worth mentioning. The Classic DOC skimmer should NOT be used as a “stand-alone” solution in these aquariums. This type of aquarium should be reduced by about 60 per cent in volume for the skimmer volume mentioned.

High sensitivity for breeding tanks with plankton
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. This type of aquarium should be reduced by about 70 per cent in volume for the skimmer volume mentioned.