cecilbdemented
Fish Fanatic
I got me a 20 gallon tank and am planning on tetras andeither abristlenose or some ottos.
Whatwould they prefere in the bottom? a fine round gravel or sand?
Lastly - it currently has only aninternal filter designed for the tank, should i add an airstone for better o2 content?
thanks for your help,
C
Whatwould they prefere in the bottom? a fine round gravel or sand?
Lastly - it currently has only aninternal filter designed for the tank, should i add an airstone for better o2 content?
thanks for your help,
C