Otto On siphoning use a not very big hose 1/4 inch fuel line,long enough to be in the fuel and hang down to the ground. Stand up full hight when you start your siphon, this way you wont even get fumes have your catch can on the ground. the next time you use it (few days) will be dry and ready to go again. Good way to do lawn mower fuel, with a big bolt can send it right in the mower.