Jim,

I wouldn't add any preferment. I've done both before and after and I
don't see any difference. The pros don't ferment in oak so why should
you?? Wine is added to barrels after primary ferment is done in
wineries.

Bob

On May 1, 10:25*am, Jim wrote:
I am going to be adding French oak chips to my primary fermentor can
anyone tell me how much to add per 100 lbs. of grapes. Thank you in
advance.