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Home Brew Forums > Home Brewing Beer > Automated Brewing Forum > Hot side oxidation and HERMS
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Old 04-04-2013, 07:29 PM   #11
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I believe in HSA because I had a problem with it for a while. For those that brew 5 - 10 gallons it's not an issue because the beer does not sit long, when you have kegs sitting for 6 months it becomes an issue. I do believe that pre-boil HSA is not much of an issue because you will boil it off anyways but it's still a good idea to keep the splashing down to a minimum.

My HERMS return is in the liquid above the mash so there is no spraying the wort.
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Old 04-05-2013, 05:16 PM   #12
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So how do you people with your HERMS systems set up your return so that it is below the liquid, but above the grain for different batches? Some batches have more grain and water than others while mashing so is there some type of adjustable return on the sparge line?
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Old 04-05-2013, 09:45 PM   #13
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i use loc line from brewhardware. http://www.brewhardware.com/accessories/114-mashtube
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Old 04-05-2013, 10:44 PM   #14
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I always have at least a 1/2 inch of wort on top of the grain bed drop tube is submerged I do not see where O2 is being picked up
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Old 04-05-2013, 11:00 PM   #15
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Quote:
Originally Posted by Knew2Brew View Post
So how do you people with your HERMS systems set up your return so that it is below the liquid, but above the grain for different batches? Some batches have more grain and water than others while mashing so is there some type of adjustable return on the sparge line?
I have a copper manifold that sits on top of the grain bed.



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Old 04-07-2013, 11:12 AM   #16
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I use 3-4' of silicon tubing on the return. Just lay it on the grain bed and walk away.
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Old 05-12-2013, 02:01 PM   #17
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I use 3-4' of silicon tubing on the return. Just lay it on the grain bed and walk away.
+1 to that. It's what I do as well and it works very effectively. It's what Sabco does in their BrewMagic setups that they've sold for years (and sold thousands). It's also what Blichmann does with their auto-sparge arm.

IMHO sometimes simpler is better.

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Old 05-12-2013, 07:09 PM   #18
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Quote:
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IMHO sometimes simpler is better.

Kal
+1 There's already too much to overthink already. No reason to make your process/equipment an additional one as well.
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Old 05-14-2013, 03:12 PM   #19
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Maybe I'm under thinking here but, if you are introducing oxygen during the mash through recirculating isn't it going to be mostly eliminated though the boil anyway. I thought hot side aeration would be a concern after the boil if splashing occurs before the wort is cooled.
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Old 05-15-2013, 04:18 PM   #20
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Originally Posted by Jelliz View Post
Maybe I'm under thinking here but, if you are introducing oxygen during the mash through recirculating isn't it going to be mostly eliminated though the boil anyway. I thought hot side aeration would be a concern after the boil if splashing occurs before the wort is cooled.
i agree with you on this.
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