Interesting concept but I agree it could stand to be a bit larger. I personally wouldn't keep a betta in something that small. I do like the water change method, however. BTW, gravel vacs/siphons use 'physics', as well. 
Interesting concept but I agree it could stand to be a bit larger. I personally wouldn't keep a betta in something that small. I do like the water change method, however. BTW, gravel vacs/siphons use 'physics', as well.![]()