*I'd like to apologize for many such a long post but if you do read it all, it's appreciated!*
My three male bettas are currently in their own little homes but I wouldn't call them tanks, as they aren't properly a good tank. My CrownTail Male is in a flower vase that's about a gallon. My...
Okay, I'm buying a divided betta display tank at the local pet store which has a glass slab separating the two sides.
My question is, do I need to have that filtered?
I know that betta tanks need to be heated but as long as I keep it well cleaned, do I need to have a filter?