Hi all... my tank is a Jewel 180ltr. and at the moment i have in it 3 Angels, 1 blue guarami,2 dwarf guarami, 3 platties,3 guppies,1,algie eater,1 catfish,1 red tail shark, 8 neons and one clown loach.The tank is filtered with one internal and one external filter and CO2 is added. The tank is...