Any time the internal piping or components of a refrigeration system are exposed to atmospheric air, they must be completely evacuated before refrigerant can be added into the system. Proper ...

Figure 3: The Ballast-Check 2’s Activity parameter correlated with Walz Water PAM fluorometer’s Yield estimate. Samples with abundances < 5 cells/ml have been omitted from the data set in this figure.

Home brewers who simply want to concoct a great-tasting beer for friends and family now have a reason to aim higher. A billion reasons, actually. San Diego’s Ballast Point, a craft brewery that got ...