10-24-2010, 09:28 PM
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well it does have a flow control, but be VERY careful with it when cleaning. Like I said its very small filter, and lets just say my flow control literally went down the drain
. Even cranked down all the way it might be a bit much depending on the betta, but if you aim the output at a rock or something to disperse the current it then it will probably work fine. I used one in a 2.5 gallon tank and got it too work great for a betta. I found its best to put it a inch or so off the bottom that way its easier to block and disperse the output with some hardscape object.