Looks like you rotated the float unit from straight up to 5 o’clock. You won’t get a good reading now. Look at this -
http://www.rochestergauges.com/products/8944-04.html
Now, what the heck were you thinking to put a wrench on a full and leaking propane tank? Ever hear of the Darwin Award? Before you do something like that again ask yourself if you would win one. We had a saying in the Navy - there are bold technicians and there are old technicians but there are no bold old technicians.