Originally Posted by
CeeDotA
I wash my bike on a concrete slab in my back yard. Never once had issues with grease staining anything.
I've stained the concrete in the back yards of two different apartment buildings where I've lived. Not sure if that's because my bike gets covered with a "special" kind of grime, or because I'm such a selfish inconsiderate tenant that I don't even take a few remedial steps to clean up the area after I've cleaned the bike. But those stains ain't goin' nowhere. :::shrugs:::