Join Date: May 2011
Location: Chino Valley, AZ
The smallest tank I've found a betta is easily kept in is 5 gallons, heated and filtered. Anything smaller than that (especially unfiltered) and it just gets too dirty too quickly.
Check thrift stores, Craigslist and yard sales for tanks on the cheap. I've never spent more than $60 on a tank and that was my 46gal bowfront (came with filter, light, and a ton of extras). I got one of my 55gals and my 75gal (with solid wood stand) for free.
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