Well.. i was fumeing a week ago or so cause i had the chance to get a really nice big tank.. i think it was 150 gallons.. a definite step up from my little ten gallon (( i love it though.. )) well.. my birthday is in a month.. april 3rd.. and i just happened to eaves drop on my moms boyfriend..>.> and the verdict is..300 gallons...... ;;; a little much for little ole me.. o.o;