I have a 30 Gallon tank which I recently bought have tropical fish with water temp set to 78 degrees.
Should I leave the tank cover open or closed. It seams with the tank cover closed I get an odour. With it open it is much less strong.
Any help in this matter is appreciated.
Thanks
Should I leave the tank cover open or closed. It seams with the tank cover closed I get an odour. With it open it is much less strong.
Any help in this matter is appreciated.
Thanks