Once you have tapped a keg with a hand pump, you are pumping in microbes (bacteria and fungi) from the air with each pump. These will eventually spoil the beer, whether its kept cold or not, but keeping it cold will slow down the spoilage significantly.
Yes. Once you have tapped a keg with a hand pump, you are pumping in microbes (bacteria and fungi) from the air with each pump. These will eventually spoil the beer, whether it’s kept cold or not, but keeping it cold will slow down the spoilage significantly. Spoiled beer is not hazardous to drink, but it won’t taste very good. It might get sour (most likely), or develop plastic-like or smoky flavors. My apologies for the delay in responding to your question. My spam filter is sometimes eating mail from AllExperts into my mailbox. I’m still working on getting it to not do that.
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