osal
both work, depending on the herbs.
some say cider vinegar is preferable: it certainly makes great mineral vinegars
(for example nettle, burdock, dandelion..)
google Susun Weed, for more on this
I have lots of files saved, but no time right now to cut and paste. meanwhile, here's one link --
http://www.curezone.com/schulze/tinctures.asp
And the best news?
new moon is the 28th....good time to get prepared to make them, whatver you decide.
ACV is an easy entry, esp. if you enjoy the taste.