You may not be aware that there are several versions of the FoamasterII. The difference is the amount of, or lack of, adjustability of the concentration of shampoo. I just bought a gun myself and the night I got it I started playing with it. Mine would only show zero or 'A' with 'A' being 4 oz...
Hi my name is Steve and I have become a bit of a detailing junkie. I've been buying all the stuff I will be needing and have gone over budget already. This is almost as bad as buying mods for the car. I've bought a lot of Adam's Polishes products and am very happy with the things I tried so far...