Potassium Sorbate

In Vintners Corner by AdminLeave a Comment

Potassium sorbate, a widely used food preservative, is added in small quantities to sweet or semi-sweet wines to prevent further sugar fermentation. It is the only practical way for the home winemaker to guarantee that fermentation will not restart in the bottle.

Yan Calculator

In Tools, Vintners Corner by AdminLeave a Comment

This is the latest version (Oct 2014) of the Excel tool the Willem Wyngaards developed on the basis of the previous article. We call it a YAN calculator, but it is really a nitrogen addition calculator (and it also calculates yeast additions).