ValetPRO EC11 Bilberry Wheel Cleaner is an alkaline wheel cleaner that’s exceptionally effective at removing grime. A spray on rinse off method allows for an easy clean that will remove lightly baked on brake dust with a little time and agitation. The dilution rate is very  flexible so Bilberry Wheel Cleaner can be used neat or can be diluted up to 1:10 to suit the task and still provide an impressive clean. The best part is because this is a completely acid free product it’s safe to use on painted and lacquered wheels!
- Acid free - Effective on baked-on brake dust - Pleasant aroma - Dilutes up to 1:10 - Suitable for painted and lacquered wheels
Bilberry Wheel Cleaner is an alkaline wheel cleaner 
Directions:

Dilute. Heavily soiled: use neat/ Lightly soiled: 1:10.
Spray onto wheel.
Leave to dwell but not dry out.
Rinse off thoroughly with a pressure washer.
If necessary, reapply, agitate with a wheel brush and rinse thoroughly.

Please note:  Bilberry Wheel Cleaner is not suitable for un-laquered or polished rims. Test on an inconspicuous area on recoated or repaired wheels.