sera guide - Marine aquariums

25 Skimmers reduce water pollution by proteins and other organic substances. They aerate the aquarium and provide it with oxygen. Skimmers need to be cleaned regularly, as to prevent skimmed waste matter from getting back into the aquarium. sera marin Protein Skimmers are high per- formance, energy saving and flexibly usable dispergator skimmers. The sera marin Pro- tein Skimmer 400 HO is suitable for aquar- iums up to 400 liter. It can be used as a hang- on version as well as a filter underneath the aquarium (sump). It is therefore optimally suitable for all aquarists that wish to switch over from freshwater aquariums to marine aquariums. The sera marin Protein Skimmer 600 S is used in a filter underneath the aquarium (sump) for aquariums up to 600 liters. The sera marin Biotop Cube 130 includes the small but powerful sera marin Protein Skimmer PS 130. sera marin Protein Skimmer 400 HO sera marin Protein Skimmer 600 S sera marin Protein Skimmer PS 130