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If the starter was not hopped, you should be ok since the hops are needed to produce the skunky flavors. The UV radiation in sunlight can damage yeast cells, but they are capable of self-repair to a degree, so there should still be plenty of viable cells to continue fermentation. It's a good idea to not pitch the spent starter wort in general, here, I ...


3

Here is some great information about beer skunking based upon wavelengths of light (http://www.safespectrum.com/applications_beer_wine.php). UV is the strongest light source that will cause beer skunking. However visible light, specifically anything under 500nm or thereabouts, are threats for beer skunking. And from this page ...


2

I believe that the short answer is yes, artificial light can cause sun damage too. Ultra-violet light is cited as the primary spectrum/wavelength/frequency that has the biggest impact, and while direct sunlight is going to have much more of it and therefore be more detrimental over time, light bulbs generally emit a certain amount of UV too. From what I've ...



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