I've got a round 10 gal cooler and would like to build a copper manifold (like Palmer instructs) for it. The round version seems like it would be more efficient, but the square looks easier to construct. Has anyone seen any difference between them? If you've made a round copper manifold, I'd appreciate any tips you have.
Round or square manifold?
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Beavdowg
Well-Known Member
Why do you figure the round would be more efficient?
LooyvilleLarry
Well-Known Member
Screw it , be different! I built and octagon for my 10 Gal sparge arm !
khiddy
Well-Known Member
+1 on the square manifold. Took me like 30 minutes, including drilling holes and cursing like a sailor as I scraped my hand holding the short pieces (I don't have a table vise). But I got great results, and no stuck sparge with my first AG batch - and that included rye, which is fairly notorious as a sticky mash ingredient.
It just seems like the round version would give more uniform contact with the grain bed and drain more evenly. Even if that were true, I'm getting lazy in my old age and would happily sacrifice a little efficiency for ease of construction, so I'm leaning toward the square.
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