forget about zeabra....
that is not betta that i owned and i think there is no filtratoin in the tank since very small space.
so what can that chunks actually called and what can it do?
So what can that chunks for if not use with filtration for example use just one or two like in pictures?
At last i got the pictures.... thanks in heaven....
here it is:
https://f.ptcdn.info/906/087/000/mac19vq0iDJXW1f04zB-o.jpg
https://f.ptcdn.info/906/087/000/mac19vstib05v7EqmvU-o.jpg