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  1. Thoughts on .5 gallon tanks?

    Betta Fish Bowls, Habitats, and Accessories
    My sister has this .5 gallon tank (she doesn't use it) but I was just wondering what you guys thought about them. They're cute and a space saver, but they're kinda small for my liking (I use a 2 gallon). How frequently would you have to change the water, in your opinion? And basically, are...