Newish to the forums and couldn't find anything on this specifically so I apologize if this has been talked about. I've got a new (to me) truck with relatively new large tires and I cannot get the brown off the tires for the life of me. I've tried multiple products including a few all purpose cleaners (Adams (non-eco), Super Clean and Optimum Power clean) and all will remove some gunk but the tire's still brown. I bit the bullet and bought the new tire and rubber cleaner by Adams and holy smokes do I get a ton of gunk coming off and much faster, however, I cannot get the brown off the part of the tire near the rim and some other spots near the treads. I've literally gone over the tires 5+ times with the T&R cleaner and each time it's mostly white but brown in those areas and not coming off. Tried letting the product sit for up to a minute, tried pre-wetting and not wetting, seems I've exhausted differen tricks to get rid of it but not working.
So question is - can I get rid of that or is this something related to the blooming that you just can't get rid of and if the latter how do i know when the tire is clean enough to apply tire shine to? Thanks in advance!