so my tank has no gravel in it with 2 red tails and 2 oscars (babys) in a 55 gallon... im so bored with it i wanna put gravel and plants in...but i kn owhen i buy gravel i have to clean it rele good but wont puttin gavel in a tank mess up my good bacteria and giv me bacteria bloom?
and what is the best substrat? sand or gravel?
and what is the best substrat? sand or gravel?