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Bubble nest and filter problems2007-11-24 23:10:23

so best just use a pump and a air stone and change the water just as if you where using a bowl 2-3 days 25% water change

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First of all your Betta Fish doesn't need a filter or anything like that. You Betta is blowing a bubble nest because he is ready to mate, but that doesn't mean that you have to give him a female betta, it also means that your Betta is just happy! :]

Also, the oily stuff is protein from your Betta's food. Do you feed him flakes or pellets? You can get rid of it by taking a 2 ply tissue and make it a one ply tissue. Now just take it and lay it on top of the water for about 2-3 seconds and it'll stick to the tissue. Also, you can do a water change if you want to get rid of it. I had the same problem too.

Hope this helps!

-Capp

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You do not need any type of power filter in a small aquarium like that. A small pump with an airstone should be sufficient for water circulation. I have successfully used a small box filter filled with carbon and filter floss, and hooked it to a small air pump, if you think you need filtration. Regular water changes and a lighter feeding will clear up your "oily" film problem.

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Surface disruption is a common problem when people add their Betta's to a new larger tank. I have the exact same problem with my 2.5 gallon tank. The air bubbles do not cause a "current" persay. My Betta does not struggle to swim around the tank, but they do stir-up the surface so my Betta cannot create bubble nests. Unfortunately, I have a UGF (under gravel filter) and it's difficult to break up the flow from this type of filter. Here is how I plan to remedy the problem: