By Neslihan Ivit, Perennia Winemaking & Innovation Specialist Since grape harvest has already begun in Nova Scotia, the wine cellars are getting full of grapes to be processed, and fermentations are starting. As all winemakers know, there is nothing more important than a complete fermentation during this season. The fermentation process is crucial not only for ethanol production but also for the organoleptic parameters and quality of the final product. Therefore, a complete analysis of the chemical composition of the must (grape juice) is essential for the fermentation process. Some of the vital parameters are as follows: