Originally Posted by csullivan
In my experience, Meguiar’s Wheel Brightener is very nearly as good, but instead of $25 a bottle, it's $20 for 5 gallons
That's what I've been using, heavily diluted. But it did kind of mess with the finish on my calipers (but back then I only diluted equal parts of it). I still have 1/4 of the bottle left, purchased in 2006.