03-07-2009, 01:39 AM
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I used to have a betta in a 10 gal tank and since I read that they don't like flow, I found somewhere on one of the forums where you take a plastic bottle and cut the top and bottom off so you end up with a cylinder, then you cut it so you end up basically with a curled piece of plastic. You then put that so it curves under the waterfall, thus reducing the turbulence. (This probably doesn't make but if I can find that picture of it I'll post it). Anyways, it worked fine, but I often found the betta swimming through the turbulent area above the plastic, and also when I poured water in during changes he would go under wehre I was pouring. So he didn't seem to mind the flow!