T TXWineDuo Junior Member Joined Sep 30, 2014 Messages 172 Reaction score 103 Aug 17, 2016 #21 Before and after punch down.
Johnd Senior Member Supporting Member Joined Jun 10, 2015 Messages 7,036 Reaction score 7,724 Location South Louisiana Aug 17, 2016 #22 Personally, when I don't know the YAN of my must, (almost always), I tend to use the full dose, and have added as low as 1.020 with no ill effects.
Personally, when I don't know the YAN of my must, (almost always), I tend to use the full dose, and have added as low as 1.020 with no ill effects.