Originally Posted by WallaceGrover
Actually as long as the water was fine that betta was probably happier with a nice algae "shield" around it than any betta from a crystal clear tank. Less stressed I would bet...
I agree with that, if anything I let algae grow to help naturally filter/help a teenie bit with my big tanks. All my tanks get algae and I test the water and its great quality. So it could have been good water, just didn't keep up with the algae wallpaper :P