Freshwater Technical equipment To which height should I adjust the outlet of an internal filter? Hello, there are no firm rules, both is possible. Adusting the filter outlet also depends on the fish that you keep. Labyrinth fish, for example, require slow water currents - not... Show complete answer
Freshwater Technical equipment Care Operating a CO2 system without nocturnal switchoff? Hello, basically, there are the following ways to interrupt CO2 addition at night: a pH regulated solenoid valve (seramic pH Controller) a solenoid valve triggered by a timer a... Show complete answer
Freshwater Technical equipment Filter performance goes down very quickly, water becomes cloudy Hello, at least the biologically active main filter media should be cleansed as rarely as possible. The minimum time before the biologically active filter compartment needs to be... Show complete answer
Freshwater Technical equipment Does the sera blue sky support algae growth, and is it suitable for planted aquariums? Hello, Concerning "planted aquariums":this is actually possible. However, it is mainly used for aquariums with fish from open water (e.g. East Afrikan rift lakes) due to its color. ... Show complete answer
Freshwater Technical equipment Internal filter sera F 400 - is it possible to redirect the water current? Hello, the instructions for use can be downloaded from our web site, and of course we also e-mail them on request! The filter must indeed be completely submerged. You can redirect... Show complete answer
Freshwater Technical equipment Care Is a CO2 reactor required for CO2 fertilization? Hello, the reactor is not especially required for the control unit, but generally for CO2 fertilization. It ensures the CO2 dissolves completely in the aquarium water. The sera CO2... Show complete answer