09/11/2026
As a follow-up to our conversation about diacetyl and VDK test from the meeting last night, here's the websites that I reference for it:
Quick summary of the process. The only difference that I do is just use a hot water bath instead of a microwave:
https://spikebrewing.com/blogs/ask-a-pro/an-easy-diy-diacetyl-test
Here's a little more sciencey persepctive:
https://escarpmentlabs.com/en-us/blogs/resources/the-forced-diacetyl-test
What is Diacetyl and How is it Produced in Brewing B**r? Diacetyl is a flavour-active molecule found in b**r, which for most tasters appears as a buttery, popcorn or butterscotch-like flavour and is undesirable in most b**r styles. Yeast produce the potential for diacetyl during fermentation as the....