ok gang sept is right around the corner and its vino time!!..I plan on doing the (old school all natural )..old vine zif....now im not into making vinegar, my uncle gave me a bottle last week of his 3yr old zif all natural THAT WAS FANTASTIC!!!!..i keep reading it turns to vinegar in a year or so the old school way..well he"s been making this for over 45 yrs and theres no sour or vinegar coming down the pipe line from there..im taking the risk and doing it his way ..his wine is just great, and every time i drink it with friends there like can u get me a bottle of that........so its not true that wine spoils in that short period of time with out the chems....