Oxygen is vitally necessary for fish and primitive sea species in the aquarium, for they have no CO2-respiration. Leading experts also recommend oxygen as remedy for the regen-eration of diseased fish. A airation pump is also useful for the operation of internal air driven filters, protein skimmers or decoration figures.
- Juha-Matti P. wrote about SCHEGO Membrane pump -Ideal- in 2016:
Good value for monye
I hav efew this in use