Before polish you need to clean them. The best way to do this is to go out and pick up a gallon of muriatic acid heres the steps..
1. wet the wheel really good
2. spray down with Muriatic acid (don't get to closes to the over spray and wear gloves)
3. rinse well and repeat if needed
4. dry and then polish
Just make sure you dont spray and leave it sit for too long 30 seconds at the most. also make sure you dont spray it on the paint. you are better to have the whole car wet
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(GXP) ONBF some say that was fixed.
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