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Old 04-17-2012, 08:48 PM   #1
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I'm looking to upgrade to a CFWC and the one I am looking at is 50ft. long.

I know you can run the wort thru a 25ft one using gravity, but will this same method work on the 50ft one with the longer race?

Your thoughts appreciated.....

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Old 04-17-2012, 09:15 PM   #2
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I don't have experience with CFCs (I use a whirlpool IC), but would think that you could still do it via gravity, except that it will be slow (as with any gravity-fed CFC). The risk with this is that the time it takes to chill all of the brew will be fairly long, causing a good portion of the wort to sit around hot for an extended period. You then risk increased DMS (because the DMS pre-cursors had a chance to convert in the hot wort), decreased hop aroma (which can be overcome by dry hopping) and increased cold break into the fermenter. I think the latter will also increase your chances of chill haze in your final product. As you likely know, the goal of a chiller is to get the wort under 140F as quickly as possible. I target getting under 100F in 6 mins or less. So, you might consider getting a pump.

Folks who have CFCs should chime in since my thoughts on this are purely academic.

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Old 04-17-2012, 10:58 PM   #3
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Read BobbyM's tutorial on the CFC and according to him, "the 25ft. is the sweet spot on length", so that is what I pulled the trigger on this afternoon.

I am going to be using my old IC as a pre-chill ring in order to bring the cooling water down as far as possible before it starts to cool the wort.

I am brewing on this Thursday, so I won't have a chance to try this out until my next batch.

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