TRIX Tar and Iron Remover 500 ml Save time by removing tar and iron at the same time! CarPro TRIX Tar and Iron Remover is extremely easy to use. It does the work for you! Just spray it on, wait, and then wipe or rinse it off Professional detailers and auto restoration specialists will save a tremendous amount of time and labor with this single product. CarPro TRIX Tar and Iron Remover cuts prep time in half.