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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Mini mash tun manifold design
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Old 10-27-2010, 02:55 AM   #1
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Default Mini mash tun manifold design

I'm in the process of building a small mash tun out of a 2 gallon cooler for partial mash brews. It's pretty much one copper tube running across the middle of the cylindrical cooler, and I was wondering if I could get any input on the manifold. Since it is relatively small, I was thinking about drilling holes in it instead of using a hacksaw to make slots. My main concern is whether or not I should drill holes all the way around, or only put them on the upper surface. Anyone have any input?

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Old 10-27-2010, 08:44 PM   #2
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Most manifolds I've seen have the slots or holes in the bottom. The effectiveness of your design might depend on the amount & size of the holes. I'll bet if you searched hard enough you might find someone else has done this.

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Old 10-28-2010, 02:43 AM   #3
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I started drilling 3/32" holes in it, but I think I made need to decrease the spacing so as to have more holes. Any input on this?



Chapstick provided for size reference.

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Old 10-28-2010, 04:34 AM   #4
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Looks like alot of work. Is there a reason you didn't want to go with the more simpler SS braid?

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Old 10-28-2010, 04:59 PM   #5
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Or, use a painters straining bag to hold the grains...

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Old 10-28-2010, 05:32 PM   #6
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Most of the folks that I know who have made minimash tuns have simply for a little SS braid. Just cutting one down and folding over the end of it. I think that is the way James @ basic brewing did his. Even chubbykid brewing did it for his 5L minikeg tun



http://sites.google.com/site/chubbyk...keg-lauter-tun

I just us a folding steamer in the bottom along with a grain bag. Just break off or unscrew the center post.



One of these, it helps to lift the grain bag above the spigot to keep the drainig from getting stuck.



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