Suggestions for how to do it? The filter I have came with the tank, it does not have adjustable settings, and I know it's way too high for what's supposed to be the ideal habitat for bettas. I honestly think Toyo enjoys riding the current because he keeps going back to do it, but it's starting to accumulate bubbles on the surface, and I think that's too strong.
I want to just stick a wash cloth under it, but I don't want to contaminate the water with fibers or risk him nibbling on it.
So any thoughts?