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.https://www.aquaristikshop.com/aquaristic/SCHEGO-Membrane-pump-Optimal/328370/
- doron h. wrote about SCHEGO Membrane pump -Optimal- in 2016:
The best pump in the market..
1. value for money
2. very silent for many years
3. long lasting than any other cheap pump
4. easy to tune
Igor S. wrote about SCHEGO Membrane pump -Optimal- in 2015:
Absulutely quiet pump with a wide range of air flow adjustment.
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