Hey all! Long time no post, but trust me, I lurk just about every day. I've finally made the plunge to all grain and am building my mash tun currently. It is a 48qt coleman with rectangular copper manifold. From all the pictures I have seen in the DIY forum I see that the latitudinal (cross member) pipes are slotted. As always I am consulting howtobrew and palmer says that is not necessary. He says the increase in efficiency is negligable, and I tend to agree. I think it would increase the risk of channeling if your proportions are the slightest bit off. I see that a lot of you all grain folks do it anyway..so I figured I would ask seeing as how practice is often different than theory.
'Palmer Says' Question
- Thread starter dutra2418
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LarryC
Well-Known Member
I just listened to Palmer on a Brew Strong podcast about sparging last week. In that show he said that having a manifold vs. a single pipe or braid would increase efficiency because there would be a more even flow as the wert drained out of the grain bed. They talked about actually doing flow tests in a fish tank with food coloring to watch the flow - sounds like fun...
Bithead
Well-Known Member
I'm building my tun now also and after much research I've decided to cut slots and drill holes. From what I've read the combination helps prevent stuck sparges.
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