Hi everyone,
I picked up a National Geographic 2.5g Betta tank that came with a very simple filter: a sponge over the intake, and within the filter, only a double carbon pad and nothing else. I was wondering if I could even cultivate beneficial bacteria with this tank because besides the substrate (fine sand), there isn't really anywhere else for the bacteria to grow. If the bacteria grows on the carbon pads, then they'll be gone when I have to replace those pads in a couple months when the carbon has been used up (or should I keep it just for the mechanical filtration + colonies of bacteria on it?).
Any advice?
EDIT: Link of the exact tank with pictures of the filter and carbon pads
I picked up a National Geographic 2.5g Betta tank that came with a very simple filter: a sponge over the intake, and within the filter, only a double carbon pad and nothing else. I was wondering if I could even cultivate beneficial bacteria with this tank because besides the substrate (fine sand), there isn't really anywhere else for the bacteria to grow. If the bacteria grows on the carbon pads, then they'll be gone when I have to replace those pads in a couple months when the carbon has been used up (or should I keep it just for the mechanical filtration + colonies of bacteria on it?).
Any advice?
EDIT: Link of the exact tank with pictures of the filter and carbon pads