The TTB's Table No. 6 is a resource used by distillers to determine the legal proof of any given GNS. The chart below demonstrates that as proof increases, Water and Alcohol have an inverse relationship.

The presence of Water, Alcohol, and Shrink as Proof increases

Water

Alcohol

Shrink

While Shrink isn't listed in the original PDF, we can use the information to calculate how much shrink will occur when two GNS' are combined.

Interested in exploring the data more? Check out the following links:

• Original PDF
  This is the original PDF resource provided by the TTB
• Google Spreadsheet
  I manually copied each row in the PDF and converted it into the above Google Spreadsheet.
• Dilution Calculator
  The data from this Table is used in the Dilution Calculator.