The best place I’ve found for getting any detailing answers is at
https://www.autogeekonline.net/forum/If you can’t find the answer in the forum, then ask Mike Phillips in there who is the moderator. Believe there is a sub forum to post questions directly to him. He used to be the head trainer at Meguiars and I’ve learned so much about detailing from him. There are many videos, how to’s, and product reviews at that site. Mike is simply, the best.