Bohack

Ever since I started brewing all grain beer, I’ve wanted one of those cool rotating fly sparge arms. They revolve around and distribute water on your grain bed so all the precious sugars are washed from the grains. There are two schools of thought; the first being don’t use it and just keep an inch of water on top of your grain bed and the other is better efficiency when fly sparging over a longer period of time. Whichever you prescribe to; this is a cool little project! Read on and I’ll show you how to make a DIY rotating sparge arm.

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