I agree, do small batches first. Try something like a quarter ml flavor in 5 ml base and go from there. Some flavors, especially if they are from FA are good at about 1 drop per ml, though every flavor varies, if that helps you at all.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.