im going to set up a low cost nano tank (20-25 liters) and have a few q's before i start:
1. can i go with a small box filter with airstone? - can i go without filter at all?
2. can i use a diy co2 with airstone on the other side of tank?
3. plants - im thinking of two choices : riccia and glosso or anubia nana and moss (both cuttings from my main tank)with a small wood inside and ada substrat - what lightings this plants need in this small tank?
4. fish - male gupies and one male betta