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Refer to John Palmer's How to Brew chapter on off flavors in beer. He discusses various off flavors that are common, what causes them, and possible corrections so you don't run into the same issues in future batches. Based on the fruity flavor, you may have ester or chlorophenol issues. The esters can produce the fruity flavors and typically result from ...


This Wired article may help shed some light on wavelengths and bottle colour. http://www.wired.com/2013/03/physics-and-green-beer-bottles/ Amendment 1 Light in wavelengths of 350 nm to 520 nm (upper UV to mid-visible light) is known to cause skunky beer. Green bottles allow green light (520 nm to 550 nm) to pass through, whereas brown bottles (ranging ...

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