keep the alum and polish the rims. looks so much better. good tip for rims and paint is to use only water when cleaning them. don't use soap or any chemicals. they eat at your finish. get a bucket after u spray it off, fill bucket and get a good sponge and wipe her down. keep sponge clean from dirt each time you wipe to keep the grit off. get a chamee cloth from you local parts house and wipe her dry. if you keep a good coat of polish on it, i use meguires 26, and use just water, you'll retain the shine longer and won't damage your rims. it works. try it you'll never use soap or cleaners again