I have been using TW products for quite a few years now. The cherry I got to use with the cola I already had...then I noticed they have a cherry cola already

Which is pretty good too. The cherry by itself is strong and can end up tasting like cough syrup if you're not careful. I can't tell you what percentage, everyone is a little different and it also depends on what you are using with it, PG, VG, what amount you want to make, etc.. Check out the TW forums for specifics. Personally I cut mine with tobacco flavor and marshmallow and let it steep a few days, that's pretty good. If I was making a little bottle of juice I use a strong nicotine that is already a tobacco flavored e-juice , 25 drops, 5 drops black magic (adds good throat hit), 20 marshmallow and 10 cherry and fill the rest with a VG (90/10). Everyone mixes differently and some use no nicotine, some use premixed e-juices, so again depends on what you want to do.
