Calcium Carbonate can be added to a wine to increase the pH. Usually .4-.3 grams/liter are added in order to raise the pH .1.

Have you ever wondered what all those different packets and bottles of wine making additives that you see in our store are used for?  Well, we have compiled the perfect guide that explains many of these winemaking supplements and how they can help your wine. 

Click for a pdf of our Wine Grape Additive Selection Chart