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Old 09-02-2012, 04:47 PM   #11
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Guys, I just had a stupid idea that might work well. I've never heard of anyone doing this, but what the heck do I know?


Get a second immersion chiller. Plug the water in the "In" of Chiller A. Clamp the "Out" of Chiller A to the "In" of Chiller B. Put Chiller A in a bucket of ice water, and Chiller B cools the wort.

If this is commonly done already, sorry to duplicate, but it just occurred to me.



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Old 09-02-2012, 05:09 PM   #12
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And TxBrew beats me to the punch! Glad I was at least on the right track!



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Old 09-02-2012, 05:46 PM   #13
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It's called pre-chilling....I do it with an ole IC hooked up to my CFWC.

Water goes to pre-chiller in a Homer bucket filled with ice water...and then it runs to the CFWC where it chills the wort on it way to the fermenter.

I get my wort down to 60 degrees coming out of the CFWC constantly this way.

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Old 09-02-2012, 06:40 PM   #14
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It looks like the OP is cooling ten degrees below the temperature of the tapwater. How is this possible?

Unless I’m reading this wrong, there is no ice involved (yet.)

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Old 09-02-2012, 08:24 PM   #15
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My estimate on ground water temp is a guess. Never actually checked the temp. But when it's 105 outside it can't be to cold. You have to let the faucet run a minute before u wash your hands in my shop or you'll burn the hell out of your hands. But there's 150 ft of water line running along the wall on the uninsulated side of my shop and the air temp gets up to 140 inside that side.

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Old 09-03-2012, 12:46 AM   #16
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I use the bathtub for cooling and I’m not that far from you. If I fill a bathtub with cold water, it’s 86º F.

It's ice after that.

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Old 09-03-2012, 01:31 AM   #17
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Boiled 7 gallons today down to a final 5 gallons for fermenting. Cut the flame off at 2:05pm, had it down to 100*F at 2:12 via a 50ft ss 3/8" immersion chiller.

For the record, I too am in deep southeast Texas where groundwater is around 85* this late in the summer.

So, after getting down to 100* in about 7-8 minutes, I switch over to a bucket of ice(about 25lbs) and water. I found a clothes hamper from Walmart that has rope handles for about $7. It's big enough to hold my 7 gallon ss brewpot perfectly. I'll mention that at around 100*, I remove the wort chiller... it just isn't going to cool any lower than +/- 100 in these temps.

My notes from today's boil/cool down show that at 2:28pm, 23 minutes after flame out, I had 70*F wort! I brewed last Tuesday, and the result was similiar... take about 10 minutes to chill down to about 100, then switch to ice bath. I'll stir my wort continually AND swirl the ice on the outside of the brewpot. My goal is to have warm wort transfering to the ice cold surrounding water constantly.

Sounds like a fair amount of work, but it's not. Having wort chilled down to 70* in less than 25 minutes in the brutal heat of the day is priceless!

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Old 09-03-2012, 01:45 AM   #18
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I use a 25' 3/8 pre-chiller in a 40 qt cooler full of ice and have a 50' 3/8" immersion chiller. My ground water is about 85 degrees this time of year.

Today it was 95 degrees in my garage. I chilled 5.5 gallons of wort from boiling to 60 degrees in 13 minutes. (I timed it)

I kept the pre-chiller moving in the ice/ice water and the immersion chiller moving in the wort continuously.

IMO a pre-chiller is worth every penny.

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Old 09-03-2012, 02:08 AM   #19
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Yeah, I heard that. Can’t shut down for the eight months we call summer.

I have that Wal-Mart rope tub. I dump 20 lbs of ice and pitch six or eight hours later. It puts me below 70 and I modulate it with ½ liter frozen water bottles after that.

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Old 09-03-2012, 09:40 PM   #20
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Ok. Just brewed what will be a raspberry wheat. Used a pre chiller using a Rubbermaid tote and 25 pounds of ice, and water and rock salt. It took 20 minutes to get down to 100 F. I should have used a styrofoam cooler. The ice melted quickly. Got down to 80 F in an hour total time. I went ahead and put into two carboys and put in freezer that was already cold. Took 30 minutes and it hit 70 and I pitched the yeast.

Has anyone used a plate chiller. I'd buy one if I knew they worked very well. I'm really not worried about the beer taking too long to cool, I'm worried about having a stroke in this heat. It was 102 in my garage and 98 outside.



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