All-Star wheel acid is a great wheel cleaner. When used 4:1 you will find rust stains and brake dust will rinse away with ease leaving your wheel clean with little effort.
 
How to use: 
Mix your All-Star Wheel Acid in a spray bottle with a acid resistant trigger. 
Mix 4 parts water to 1 part wheel acid. 
Spray the All-Star Wheel Acid on to wheel 
Only do 1 wheel at a time
DO NOT LET PRODUCT DRY TO WHEEL
Rinse product off wheel with water