I've recently found 2 high spots with Mckees as well. I'm going to try what glfnaz suggests. Thats what I did when I found one after 24hrs, but now that its been over a month, it may not work.
I just treated my 10yo light gray leather with the Mckees Shampoo 70/30 and Leatherguard UV50. So far its great. Really cleaned it well, and even in the frigid temps, it softened up quite a bit.
Make one order for everything and use the 20% code. Include the items that the 10% code applies to and put comments on the order to apply the 10% code to those items.
McKees RV AIO also stains pads. The sealant is very hard to get out, and Ive tried multiple pad solutions and APCs. These pads have been dedicated to AIO/camper use.
I chose the McKee's route for my first coating. Mainly because of the good reviews, good price (got the complete coating kit with SiO2 wash, Hydro Blue, Iron X, plus paint coating for $80 plus 25%...