Thanks for your comments.

Well, I froze the FO solution, adding a little oxalic acid before as you suggested. I will pull it out in July and let you all know if it still works.


Quote Originally Posted by EricNeilsen
Sandy, I have not seen anything about freezing it. It can be placed in cold storage to extend the ageing process, to slow the conversion down, but I have not seen if freezing will work. How about just the coldest part of the refrigerator? I'd add a little oxalic acid to it before I chilled it. It is relatively easy to make, I'd not worry too much about it but it would be fun to see. I have enough right now that I could throw it in the freezer just to see what happens.