7-10ths

Updated: June 2, 2025

We owe the important knowledge of those proportions to the celebrated and unfortunate Lavoisier, who has proved, by the most accurate experiments, that there must be 100 parts of dry sweet substance, or sugar 400 parts of water 10 parts of ferment, or liquid yeast, which is reduced to 8 7-10ths of dry matter.

Anthony Boucherie - The Art of Making Whiskey: So As to Obtain a Better, Purer, Cheaper and Greater: Quantity of Spirit, From a Given Quantity of Grain