kevinHQuestions(3)Answers(2)Posts(0)CommentsRatio of B-12 Chemtool Fuel System Cleaner (#0116) to use in a plastic gas tankchemtooler answered 12 years ago • Fuel Additives / Treatments1475 views3 answers0 votesWhich product is safe to use in a plastic gas tank ?kevinH answered 12 years ago • Cleaning / Degreasing1121 views2 answers0 votesCrop