Refractometer for Grape Wine Brewing, Measuring Sugar Content in Original Grape Juice and Predicting the Wine Alcohol Degree, Dual Scale of 0-40% Brix & 0-25% vol Alcohol, Wine Making Kit

The Principle : The Basic principle of wine brewing is that, the grape yeasts turns the sugar in the grape juice into alcohol and carbon dioxide. So basically, the higher the sugar content of the grapes is, the higher alcohol degree of wine it...