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I just picked up a 10g to use as a fry tank or quarantine tank. It came with an undergravel filter and a bio wheel filter. Anyone have a preferance? Thoughts? Advice?
Also once the tank has cycled. If you remove the fish but keep the water and filters going how long will the bacteria stay alive?
Also once the tank has cycled. If you remove the fish but keep the water and filters going how long will the bacteria stay alive?