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Old 08-10-2013, 11:10 AM   #1
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Default Mash tun recirc question

How consistent does recirculation of the wort in the mash tun keep your temperatures throughout the mash? Hot and cool spots, etc. I don't want to mess with a heat exchanger in the tun but am interested in controlling the consistency throughout. I have a direct fired tun.

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Old 08-10-2013, 11:30 AM   #2
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I recirculate using a RIMS. After around 5 minutes it seems that all my thermometers (3 spaced in the process) are pretty close to dead on.

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Old 08-11-2013, 10:02 AM   #3
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Thanks for your response. RIMS is just pumping the wort back into the top of the mash tun, correct?

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Old 08-11-2013, 11:17 AM   #4
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RIMS (Recirculation Infusion Mash System)

Yes, it gets recirculated thru the lid with usually a spray ball inside.

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Old 08-11-2013, 01:07 PM   #5
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Quote:
Originally Posted by Johnnyhitch1 View Post
RIMS (Recirculation Infusion Mash System)

Yes, it gets recirculated thru the lid with usually a spray ball inside.
Is spraying OK. what about oxidation? Wouldn't it be better to just let run in slowly at just below the surface level of the mash?
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Old 08-11-2013, 02:38 PM   #6
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I have been recirculating the mash wort for many years with a direct fired tun. I ended up making a circular manifold
which I adjust to touch the surface of the wort. About 1.5 years ago I switched to BIAB. It works great.

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Old 08-13-2013, 09:29 AM   #7
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Thanks for the replies. I'll work on something along these lines. Just finished automating the burner for the HLT so the MLT will be next.

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Old 08-13-2013, 06:57 PM   #8
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Quote:
Originally Posted by mblanks2 View Post
Thanks for the replies. I'll work on something along these lines. Just finished automating the burner for the HLT so the MLT will be next.
I would (and did) automate the MLT not the HLT, and run my pump to recirculate the whole time.
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Old 08-13-2013, 08:31 PM   #9
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I have thought about doing this, I scored a pump off craigslist that came with a pot and other stuff, I have never hooked it up. I need to build a stand for everything too.

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Old 08-13-2013, 10:57 PM   #10
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Quote:
Originally Posted by RoadKing View Post
I would (and did) automate the MLT not the HLT, and run my pump to recirculate the whole time.
I will be looking into the pump for MLT also, but I wanted to control the temperature of my HLT for the fly sparge process first. This was the part I found to have the most difficulty maintaining.
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