12-20-2007, 07:35 PM
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Originally Posted by RIP_Rosa
what is a HOB filter and an internal filter? What are the prices that they run from?
HOB = Hang on Back
In a tank of 5g which I would recommend, 2.5g is really too small IMHO, one filter would be all that is needed. A heater will be required unless your room temperature is in the high 70s which I doubt, as that would be quite uncomfortable for us to live in. Bettas don't like a strong current. The filter I use in my betta tank is an Elite Stingray 5. It's rated for 5g. Cost will depends entirely on where you live. I think mine cost £12 which is really quite cheap.
Sorry to hear about your fish. :(