Author Archives: Kai

Yeast Propagator

I finally took some pictures of the yeast propagator I built a while back and posted them along with descriptions here: Yeast Propagator The intend was to enhance the yeast propagation on the stir plate by being able to aerate … Continue reading

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Beer color to mash pH (v2.0)

I finally completed an article than I promised when I wrote the Sep/Oct 2011 Zymurgy article on mash pH and beer color: Beer color to mash pH (v2.0). Don’t get too excited, though. This is very heavy on math and … Continue reading

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Don’t trust your refractometer blindly

I just learned that it is always a good idea to check the correction factor that applies to your refractometer. A commonly accepted correction factor for converting a refractometer’s Brix reading to a hydrometer Plato reading is 1.04. I was … Continue reading

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Diacetylrest at 22 C (72 F)

This may sound crazy, but I commonly hold the “Diacetyl rest” at 22 C (72 F) for my lagers. When reading through some German brewing papers I notices that some of them referred to a fermentation schedule where the lager … Continue reading

Posted in Beer, Brewing | 5 Comments

Yeast propagation experiment

I finally ran a brewing experiment again and am dusting off this blog to post the results. The experiment was a repeat of a standard experiment that evaluates yeast growth in still, intermittently shaken and stirred starters. I like how … Continue reading

Posted in Brewing, Science | 2 Comments

Images are back

I finally found the time to fix the images on the wiki. Most of them I was able to get back from a back-up. The rest I simply had to upload again from my disk at home. Let me know … Continue reading

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Braukaiser Wiki Images

A few days ago I received a note that my site was hacked and used for a phishing scheme. I asked the support staff to remove the files, but apparently that did some damage to the images for the Wiki. … Continue reading

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Not Again !!!

Getting back into brewing seems to be plagued with all sorts of obstacles. This time I ran out of propane before getting the wort to a boil. And yes, it was at night again and I was far from being … Continue reading

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Brewtus Interuptus

Last night I was finally able to brew again. I was done mashing and lautering the Weissbier wort when I pulled out my turkey fryer burner just to find out that it stopped working. Despite a full propane cylinder no … Continue reading

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Hop Juice

Could there be something stronger than the IPA (or KaIPA for this matter) itself? Yes, the beer that can be squeezed from the spent dry hops. Something only a true brewing geek knows to enjoy. Besides being murky like the … Continue reading

Posted in Brewing, General | 3 Comments