Is there any chemical such as vinegar that can be added to the car wash bucket that will cut through sap and not harm the paint? I do use fairly warm water when scrubbing down, but not rinsing off.
Biba -...Gordy, I've never heard it called overspray clay - though it rhymes nicely. Does it really work for overspray? I'd think not. The clay 'bar' is way too much like work....