Totally agree with all of the above although for washing I use PH neutral snow foam with a power washer the foam drags dirt off the car then use Maxi Suds 11 chemical guys then towel dry. So Lance welcome but use it or lose it so they say!
RogT Old Git Racer ex 4/4 sand 2013 +4 GDI Royal Ivory 2015 Ford Fiesta ST2
