- Jul 3, 2019
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Ok, so right now I have 4 fish I'm keeping out of the big pond. They are currently in a small whiskey barrel but this is a temporary home. I want to buy or make a bigger home for next year when they're grown. The thing is can they stay outside year round in a 100 gallon or less set up that would set on my back deck? I'm in zone 7b, it's right next to the house on our covered deck. If there's nothing premade I could buy that would insulate them enough to winter outside I would have no problem building something if I could insulate it. Would there be a minimum depth like regular ponds?