ok not that there are filters and heaters for such small aquariums but my betta female seems to be fine. She is much smaller than the male, so she is quite roomy. I keep my bettas in heated and filtered tanks, in a 10 gallon community tank and 1 by 2.5 alone. I love that it is maroon and comes with matching gravel works well as my female has a white body and maroon fins so I added a pink milkweed. It also has room for a light witch, which I already got from that crappy 2 gallon bottle I bought a long time ago, so it has a light witch, I'm hoping it gets a little warmer. All in all I think this is the best fake cymbal of any Lil Betta set. I mean, if you don't have $25-$40 to spend depending on what sales are going on, or you don't have room for a bunch of 2.5 gallons or larger, this kit is for you. I love that it's a rectangle rather than a square or a small jar/bowl that has more room to float around even if it has the same amount of water as square 1. It's like living in a 30 foot hallway against 10 by 10. Just remember to keep up with the water changes as there's no way you can run kit like that. Damn I think this is the best betta set, better than cups, glasses and bowls and better than square 1 but this is the best fake aquarium out there :P
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