Beer force-aging tests for precise prediction of the shelf life of beer are commonplace in every brewery. Herrenhausen private brewery performs these tests using an opacimeter to measure scattered light and a Memmert cooled incubator ICP110.
Before refrigeration technology was invented in the second half of the 19th century, brewing beer in the summer was illegal in Germany. This was because, on the one hand, fermentation requires temperatures of between 4 and 9 °C and, on the other hand, beer spoils quickly if it is not kept chilled. E
