I just received the Foamaster II. It has the following printed on the bottle:
-Fill bottle with liquid chemical concentrate
-Set mixing dial to desired dilution rate per chart
0 = Off
A = 1:128, 1oz/gal
B = 1:64, 2oz/gal
C = 1:32, 4oz/gal
D = 1:20, 6oz/gal
E = 1:10, 12oz/gal
I never did hear...