In Reply to: How to make tires look clean (not dusty) posted by JeffC on March 31, 1999 at 11:15:58:
Spray tire prep on the treads (that's the flat bit) after you park the car, let it sit for a couple of minutes. Dunno, seems like overkill.
Meguiar's is currently offering free samples of their "water resistant" tire protection. See the attached web page and click on "Free Sample"