Never ever use the brush , just use the jetwash and do the rest yourself. Hope you can get the marks out with a decent polish I just noticed you have a reflection photo in the sticky thread , feel for you :embarassed:
people leave the brush one the floor... and then put it straight onto their cars... makes nil sense to me
people leave the brush one the floor... and then put it straight onto their cars... makes nil sense to mehope you get it sorted ok