I have a sponge from my old tank that sits on top of an aeration tube. The sponge is full of good bacteria and as my old tank is completely healthy.
I have put the sponge in the new tank to cycle it faster. How long should I leave this sponge in the new tank?
I have put the sponge in the new tank to cycle it faster. How long should I leave this sponge in the new tank?