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Subject: immersion chiller vs ice bath
Author: labguy
Jun 28th, 2009
2:39 pm
I'm looking for opinions on whether I should switch from cooling my wort in an ice bath to making a chiller. I make 3 gallon AG batches so I can easily put the boil pot in the sink with ice water and get it down to 70 degrees or lower in 30 minutes.

I have a lot of chill haze in the finish beer even though I use Irish moss the last 15 minutes of the boil. John Palmer's book suggests using a chiller to help with this. Would it be faster and form a better cold break with the chiller? Our tap water is 57 degrees right now.

thanks
Subject: Re: immersion chiller vs ice bath
Author: Paul White
Jun 28th, 2009
3:10 pm
using a chiller will dramatically increase your cold break and your chill time.
Subject: Re: immersion chiller vs ice bath
Author: Cya
Jun 28th, 2009
3:40 pm
Now's a good time to make one. Copper prices are down.

I think Paul means it will increase your cold break and decrease your chill time.
Subject: Re: immersion chiller vs ice bath
Author: BeerCzar (AKA j)
Jun 28th, 2009
4:51 pm
Paul said: using a chiller will dramatically increase your cold break and your chill time.

He meant Decrease chill time...
Subject: Re: immersion chiller vs ice bath
Author: AZbrewman
Jun 28th, 2009
5:18 pm
Using both methods will get you down in temp. real quick.
Subject: Re: immersion chiller vs ice bath
Author: Decanthas
Jun 28th, 2009
5:21 pm
I'm a big fan of in-line chillers. To me, if you can keep your process closed from the environment once it's cooled, infection risk is much lower. Unfortunately, this requires a pump--which isn't cheap--and either a plate chiller or an immersion chiller and ice bath.
Subject: Re: immersion chiller vs ice bath
Author: Paul White
Jun 28th, 2009
5:58 pm
yea thats what i ment. was a little tired when i got up. drank too much last night.
Subject: Re: immersion chiller vs ice bath
Author: Arin
Jun 29th, 2009
12:00 am
right now i use an immersion chiller with a cheap little pond pump pumping ice water and have been pleased with chill time. i like the idea of a cfc but am curious how difficult they are to clean. some of my transfer hoses have started to look a little nasty and i swapped em out for new. thank god (or whoever) they are clear and i knew they were not clean inside
Subject: Re: immersion chiller vs ice bath
Author: brewsci
Jun 29th, 2009
4:07 am
The thing to remember with a CFC, particularly with larger batches is that while you are cooling the wort in the chiller very quickly, the rest is left to sit near boiling temps for awhle
Subject: Re: immersion chiller vs ice bath
Author: Cya
Jun 29th, 2009
4:14 am
From an infection standpoint, that's a good thing.
Subject: Re: immersion chiller vs ice bath
Author: AZbrewman
Jun 29th, 2009
4:33 pm
My cfc sits on a shelf
Subject: Re: immersion chiller vs ice bath
Author: hank
Jun 30th, 2009
2:48 am
The small bore CFCs do require a bit of cleaning but the bigger bore and esp the convoluted wall ones trap no residue-my Chillzilla is great and while the undrained wort sits I am whirlpooling it..in addition a CFC gets the wort out of the hot pot which amkes it cool even quicker..I started with an IC then a double barreled Ic but like most of my friends use a CFC or Theminator

Ice bath is LESS efficient than IC because of the poor heat distribution in the liquid and the HOT pot wall
Subject: Re: immersion chiller vs ice bath
Author: Arin
Jun 30th, 2009
5:42 am
what about the old garden hose with copper tubing inside? how efficient are those compares to the chillzilla and such?
Subject: Re: immersion chiller vs ice bath
Author: Decanthas
Jun 30th, 2009
6:31 am
Those are immersion chillers. I think we all started out w/ those. They're great b/c you can just throw them in the kettle when you add your whirlfloc or Irish Moss to sanitize them, but--as Zymurgy Czar pointed out--I think gradually dropping your kettle temperature while it's exposed to the environment is not as good as running the kettle through the chiller while it's submerged in an ice bath. Keep the system "closed."
Subject: Re: immersion chiller vs ice bath
Author: Paul White
Jun 30th, 2009
11:11 am
Arin, those are counter flow chillers. I use one and it works great. Usually, depending on the time of year, by the time my primary is full the temp is around 65 degrees.

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