Let me start off saying tim the boat looks great trailer u did a great job as well only fishing is after church with my 3 kids ages 2,8,10 in the pond on the farm hopefully work will slow this autumn-winter for a little me time on the boat,back to the Q and A part have an old but not to old 6 1/2 gallon tank what do you men or women would be the best way of cleaning without having to buy a new one any reply would be helpfull,thanks alot