I have a 75g fish tank and a Fx4 . The cycle is done and the Fx4 has bacteria build already. How would I upgrade from a Fx4 to fx6 without crashing my tank or killing the bacteria? I have all cichlids flametail,red empress,etc all juvenile
I have a 75g fish tank and a Fx4 . The cycle is done and the Fx4 has bacteria build already. How would I upgrade from a Fx4 to fx6 without crashing my tank or killing the bacteria? I have all cichlids flametail,red empress,etc all juvenile