This is a combination of the Ammonia and Primary Amino Acid Nitrogen tests.

Measuring YAN is the only way to determine the amount of available nitrogen in juice accurately prior to fermentation, allowing you to adjust your levels by adding DAP or other nutrients.

THIS PRODUCT REQUIRES THE USE OF A SPECTROPHOTOMETER

Please remember, our standard policy is to only ship perishable goods (such as Enzymatic Test Kits and Winemaking Yeasts & Enzymes) on Monday, Tuesday and Wednesday, unless specifically requested.