where are you gonna put the tank? in the middle of a room 1 side touching a wall or a corner with 2 side against a wall?
with a 48x48" tank its gonna sit quite far from the wall already plus another 8-12" for an overflow hanging off the side, with a tank that big i dont think a overflow would take up any space you would miss, and ive never been a fan of external overflows mostly cause when i look in the tank even with a background the inside of the overflow is right their uncovered and looking all ugly,
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but what the heck do i know
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