Hi, I have had bigger tanks. Long story short. I have a 30 gallon set up. About to set up a 55 gal. I will be running a canister rated for 125 gallons . Stock will be 8 clown loaches,5 silver dollars, red tail shark, delhezi bichir,2 bala sharks, gourami, tiger loach, brown kuli loach and a few...