Agreed. ^^ A bare tank is fine for breeding and raising fry maybe, but I still wouldn't take the fish out and clean everything.
Bettas live fine in filtered tanks. In unfiltered tanks you have to do water changes every other day......in filtered tanks you can go a bit longer than that. They won't die from water movement either as long as it doesn't stress them.
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*Kristin*
5 Planted tanks:
55g, 40g, 29g, 20g, 5.5g
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