Frequently asked questions

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...

Hello, the sera CO2 reactor is connected to the aquarium filter (internal or external filter) or a separate water pump via the larger hose connector. This ensures sufficient pressure...

Hello, just take off one of the intake hoses and allow the gas bubble to escape through the hose connector! The main concern is in this case nitrogen as it indeed does not dissolve...

Hello, our sera CO2-Start with the corresponding sera CO2-Tabs plus is ideal for aquariums of this size - this system has been developed precisely for this kind of use! Best regards...

Hello, the sera fluorescent tubes can indeed be dimmed (e.g. for sunrise or sunset simulation). This requires operation with an electronic ballast. The tubes must be burnt in for 100...

Hello, this is only possible if the magnet itself is entirely enclosed in a waterproof shell (plastic), otherwise there will be considerable corrosion (rusting magnet) and possibly...