It is best to add Scottzyme KS after pressing and before fermentation. If added later, you will need a higher dose and a longer reaction time in the wine. If you know you have problems with a specific white wine, add Scottzyme KS to the juice tank. Preventative
use is more effective and quicker. Warning: Do not use Scottzyme KS before pressing. Never use Scottzyme KS on red grapes or must.