Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
70 base/30 white to start
I never print straight right for the reasons listed above. I gave CCI my formula for base/white and now they use it to make Brite Base. Just make it yourself I say.
Use the base/white CCI for a UB then thin plastisol on top. DC white on Sapphier will not work. The chart is fairly accurate