Where is the date code on Sea Foam cans? [SOLVED]

Thanks for the question AT. The best way to determine age of the can is refer to the copyright year showing at the bottom of the back panel. Sea Foam is produced so frequently that the copyright year will correspond with the year that the can was filled. If you’re ultimate question is shelf life, Sea Foam will remain fresh as long as the can seal has not been removed. Even if the seal is removed and cap is kept on, Sea Foam will remain effective for several years. Hope this helps!