It’s hot out, but you can still brew.
Summer is here, and this can put a crimp in the plans of some homebrewers. For homebrewers without a fermentation chamber, or other form of active fermentation temperature control, summertime means a temporary cessation in brewing. If fermentation temperatures climb out of the recommended fermentation range, beers can be overly estery or even contain higher alcohols (also called fusel oils), that can cause health problems. However, armed with a little knowledge, you can beat the heat and brew happily throughout the summer.
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