alien

Recipes 

My gut feeling is that you'll need to put the wort fairly slowly through a 20' chiller to cool it in one pass so I don't think you need 1/2" unless you go longer too.

50' x 1/2" would be the killer chiller but a bit rich for my cheapskate blood.

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Magic Smoke brewhouse and grill

Automatic Smoker - Cooler MLT - Counterflow Chiller

Fredderick

Recipes 

http://www.homebrewtalk.com/f11/great-wort-chiller-386382/

Check out this thread... I made this immersion chiller recently and it rocks... Pretty simple build as long as you have all the pieces lined up and it is also helpful to get someone to lend a hand

Fredderick

Recipes 

By the way... I would at least use 1/2 inch... It's much more efficient than 3/8...my 5/8 chiller may be a bit overkill but it takes boiling wort down to 68 degrees in only 7 minutes

SCBrewster

Recipes 

Damn that website has some solid deals on pipe!!

Fredderick

Recipes 

They do... It makes you realize how much Home Depot and Lowes is making on their copper tubing. Also, they have kits that you can buy that includes all the pieces needed to build the wort chiller. And if you call them, I think the guys name is Aaron, he is helpful as well.

Transamguy77

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I bought my 1/2"X50' kit from them, it was way cheaper than buying the stuff seperately even with shipping. I would strongly recommend using them.

SCBrewster

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Yeah I really wanted to make it this Saturday but now that I saw that I'm thinking about buying that and then obviously waiting until it ships

Fredderick

Recipes 

And if you want to make a 5/8" immersion chiller just call them up and they will make sure you have all the pieces you need

SCBrewster

Recipes 

Now if only there was a website that had kegerator conversion kits that cheap.... Haha

Fredderick

Recipes 

I hear that... Just got done building a keezer and it wasn't cheap but it turned out great