A U.S. gallon (determined by fluid volume at 72 deg. F, at sea level) of
fresh water weighs exactly 8.3452641 lbs.
180 gallons weighs 1502 lbs
Plus weight of tank = X
Assuming you don't have nothing but tank and water.
"hhhh" wrote in message
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Trying to move fishtank and am not sure how much it weights?