betta in tank by itself

A

ara35

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Aug 10, 2006
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i have a 15g with a betta, some cories, and some neons. needless to say that the betta is slightly aggressive. i want to move him to a seperate tank but i didnt know if they needed filtration or if i could just do water changes. how big does the tank have to be? and then any ideas on what other fish i can keep with 5 bronze cories and 5 neons?
 
i personally wouldnt keep a betta in anything less than a 5g.

ALL fish need filtration, bettas are no exception.
 
I will disagree with a disclaimer. If you can put a Betta in a 2 gallon container with some sort of plant life that will help polish the water, I've measured bioload on the water and weekly water changes seem to keep levels appropriate.

That being said, I do not know exactly what levels of bioload were towards the bottom of the tank where the waste settled. Without circulation, there may have been build up on the bottom. Larger tanks and filters are preferred. Bettas don't do well with a lot of circulation on top of that, so small filters are best.
 
Eclipse makes a great little 3 gallon that comes with a bio wheel and a charcoal filter in the hood, as well as a light. The 6 gallon would be great for a Betta too. They are compact units and reasonably priced.
 
You should have a heater. I would say there are exceptions, but heater is preferable. They're not too expensive and are easy to obtain.

I have a friend and her room is always hot. I have no idea why this is, even when the rest of the house is freezing. I've never felt the temperature drop once in the three years I've been over there regularly.
 
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