Just receive my kit from one stop and feel like a kid in a candy store. I've been reading all the stickies for the last week or so. My question is that I don't really understand the % of flavoring in the mix. Like if I want to do a hazelnut coffee juice. In one of the stickies it says about 15% for each flavor, so when I punch the numbers in the calculator, do I put 15% for each or should divide and enter 7.5% for each? Sorry if it sound ...... but I prefer to be sure than sorry