manifold v.s. false bottom - Home Brew Forums
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Old 02-18-2008, 08:39 PM   #1
Beatty Brewer
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I want to build a mash/lauter tun with a 5 gal. rubbermade drink cooler but can't decide between a manifold or false bottom. I'm comfortable with fabricating something and not worried about price. What are the merits of each one? Give me your opinions and horror stories too, I crave information.



 
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Old 02-18-2008, 09:01 PM   #2
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I have a rubbermaid drink cooler and used the stainless steel braid..... I have only used it once for my first AG and got 72% eff..... And I know there were several issues that could have gotten me a better %age.....

DRAGGER


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Old 02-18-2008, 09:01 PM   #3
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If you plan on batch sparging, the easiest DIY is a SS braid.

If you plan on fly sparging, then you probably want a FB, which will also work with batch sparging.

I think a manifold is too much of a PITA for a round cooler with a small bottom.
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Old 02-18-2008, 09:02 PM   #4
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You'll probably get better performance from a false bottom in a round cooler.
I made a false bottom from an old plastic plate, it works very well.

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Old 02-18-2008, 09:31 PM   #5
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You'll get higher efficiency with a false bottom, according to John Palmer. A false bottom allows a greater surface area from which to pulls the sugars from the mash.

 
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Old 02-18-2008, 09:34 PM   #6
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Originally Posted by menschmaschine
You'll get higher efficiency with a false bottom, according to John Palmer. A false bottom allows a greater surface area from which to pulls the sugars from the mash.
... if you're fly sparging. It won't make any difference with batch sparging.
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Old 02-18-2008, 10:00 PM   #7
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It's easier to get a stuck sparge with a false bottom than with a manifold.

-a.

 
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Old 02-18-2008, 10:04 PM   #8
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I use a bazooka tube in my 7-gallon round MLT. I batch sparge, never had a stuck sparge, and I get 90% efficiency.
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Old 02-18-2008, 10:05 PM   #9
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I've never had a stuck sparge using a false bottom, i've had several using a manifold.
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Old 02-18-2008, 10:37 PM   #10
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As long as you know how your system runs and how to not compact your grain bed, I see no downside to a false bottom. I love mine and my fly sparging style.

BTW - This debate will continue forever and never be solved.

Death to all batch spargers! Gather the fly sparge Horde!

(just kidding)



 
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