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Old 12-20-2010, 02:02 PM   #1
Irena
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Default Should i change my wort chiller?

Hi,i bought a some copper tube and made a wort chiller but it takes a bit long to cool down the wort,approx it takes 40 min to completely the wort gets cool.i already made 2 batches of beer without any problem.was it luckily and should i change the chiller to a longer one ?

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Old 12-20-2010, 02:16 PM   #2
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Of course, the more surface area that is in contact with your wort the better. Consider your water temp, is it cold coming out of your source? My suggestion is that your chiller is fine you may want to mix your wort as it chills, as well as move the chiller around and rotate your wort, it gives it a better time to make contact. Your temp should not take more than 15-20 mins to drop to 68/70F. I use a stainless steel immersion chiller with a fairly small diameter but it cools everything within 15 mins.

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Old 12-20-2010, 02:38 PM   #3
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Some info on the chiller would be helpful as well. What size tubing, how long, what is your batch size etc. 40 mins is a long time for using a chiller unless your water is really warm.

I've got a 50' 1/2" and do 5 gallon batches. I go from boiling to 70 in about 12 minutes. Being as it is winter, my tap water is around 52 right now.

Give us some more details and we may be able to help more.

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Old 12-20-2010, 04:28 PM   #4
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to optimize your chiller, make sure most of the coils are right below the surface of your wort, spaced apart with just enough space so slip a finger between them. heat rises, so thats where you want most of the coils.

i made one for $30. it takes 20 or 30 minutes to cool to 75 degrees depending on whether i use an ice bath too. it is made of two nylon tubes, a barbed/garden hose attachment, and a 20 foot coil of 3/8" copper tube. it is fast enough.

the copper tube came in a box and was already conveniently coiled to the right size for my 12" diameter boil pot.
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Old 12-20-2010, 05:42 PM   #5
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What they said. Space the coils. Most at the top and stir the wort. Mostly stir the wort

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Old 12-20-2010, 05:54 PM   #6
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I was having an issue in the summer because my tap water was 72. Since we have a double sink to work with we made an icebath in one side and coiled the tubing running to the chiller through it. Also, put the wort in an ice bath in a large plastic container. These things and stirring drastically reduced chill time.

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Old 12-20-2010, 05:59 PM   #7
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Wow, I have a 25' SS immersion chiller and it takes 6-8 minutes to cool my wort for a 5 gallon batch. Granted my tap water is cold, but I dont think that much colder than 50F.

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Old 12-20-2010, 06:06 PM   #8
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thank for the tips,i will use them.
sorry for using metrics; i have a 12 meter's long and 4 millimeters (internal diameter) copper tube and my boiling pot is around 40 liters but i only use a bit more than half of it.the diameter of the pot is around 120 centimeters.(the diameter is more than height)
making another chiller with better specifics (suitable for cooling down at 15 minutes and less) costs me $48,I'm now thinking about if changing the chiller is vital or not!?

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Old 12-20-2010, 06:12 PM   #9
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Hard to tell if you need to increase without knowing your size. I have only ever used an immersion chiller, and I have never had problems with my beer. I live in the south, so my tap water temps are often high. The bottom line is that you can't cool it colder than the source water temperature. You typically do about 80% of your cooling in 20% of the total time, and the last 20% of your cooling takes place in about 80% of the time.

Having your beer sit for longer is some risk, but a lot of people do it successfully. You could consider getting a small pond pump and pumping cold water (iced water) from a cooler into your coil. That would really help get your temps down more quickly. I am thinking about doing that for the summer brew sessions. There are threads out there that shed some light on ways to accomplish that.

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Old 12-20-2010, 06:20 PM   #10
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I've wondered about this myself. I've got one of the Midwest 25' stainless chillers and never got anything close to the chill times others claim. Doing partial boils it worked ok, but my last batch (first full boil) I was chilling and stirring for an hour in a struggle to get down to pitchable temps. I do need to fashion some sort of device to keep the chiller closer to the top of the wort, as I imagine its not quite as effective near the bottom of the pot.

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