Apple Cider vinegar with the mother is the best form of acv. It is liquid form; you can find it at health food stores or most grocery stores with a organic healthy iInstructions are on the bottle. Hope this helps blessings to all ttc. (trying to conceive)
For nail fungus:
Use ACV with "the mother" which seems to yield better results. You can usually find this in the natural foods section of a grocery store.