gasoline

Well, spring preparation for me has officially started for summer boating. I've been disappointed in boat paint since I first started painting with interlux paint as a boy in the 70s so I've been seeking alternatives. I'm a fairly skilled painter being trained during summers between college...

I've a Scepter 5 gal container for gasoline. It had a slight leak on the seam at top part of container, just below the handle grip. What can I use to seal the leaking seam/joint? Thanks. Ken