I have a red CT male betta. He lived by himself in a 1.7 gal tank. I just recently upgraded to a 10 gal tank, Ive added a few live plants (java fern, a couple small borneo sword, and a couple of apongenton (sp?) bulbs.) along with a couple fake plants. I also bought him a buddy, a gold mystery snail, decent sized. My question is, in the old tank it had an undergravel filter. I had purchased a Nano Art Deco filter by red sea to use with the old tank, and I absolutely loved it! The 10 gal new tank came with a TopFin 10 gal tank filter, Im not sure if that's any good. But I was curious, I know it won't do THAT great of a job, but for a single betta, do you think that a 3 gal filter would do a decent job? He is a very clean betta, doesnt make a lot of waste. And he doesn't like the high current, also being another reason why I (and him) love the nano filter. So I know that the 3 gal nano filter wont be as efficient as the 10 gal that came with the tank, but will it still do the job?
