How to clean a gas can?

[sasaholic]

whats wrong with acid, ive been using it for years and its fine. just make sure you rinse it out good after

 

[jjdavids]

Get a gallon of miratic acid and a pound of baking soda. Put gravel in the tank with the acid. shake (a lot). empty and rinse. add the baking soda and some water and rinse again. Dry the inside with a hair dryer.