Wine Tannin Powder
Produced from the grape peel and seeds, there are three functions for Tannins use in wines. It increase the zesty flavor of wine, it acts as a clarifier, and will greatly increase the aging qualities of wine.
If your wine is deficient in tannins it will not improve greatly over time and generally will deteriorate over time. In order to get a more developed complex flavor particularly in red wines that are being aged for years, high tannin levels are crucial.
Usage: 1/2 tsp per gallon, or as called for in your recipe