Vinmetrica YAN Test Kit itemID-29927 if you wish to try

if you wish to try your hand at adjusting acidity is sold separately

At MoreWine

Designed to work with the Ranco Digital temperature controllers (Johnsons will not fit)

and Carapils for added mouthfeel

where differences are exaggerated by the small diameter of the neck

Vinmetrica YAN Test Kit itemID-29927 if you wish to tryUsed in conjuction with the pH function of either your SC 200 or SC 300 Analyzer, the Yeast Assimilable Nitrogen (YAN) test from Vinmetrica measures the combination of amino acids, ammonium ions, and small peptides. YAN is important as it can contribute to sluggish fermentations and off flavors in your wine. Specifications: Measures down to 20 mg L of available nitrogen with accuracy of 10 mg L of available nitrogen. Enough for 25 tests (only $1. 28