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Home Brew Forums > Home Brewing Beer > Bottling/Kegging > To glycol or not
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Old 12-28-2008, 01:16 AM   #1
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Default To glycol or not

I just bought the coolest ceramic dual faucet tower for the kegerator I am building. The problem is that it is filled with insulation and a glycol cooling hose is running up and back down through the tower. I am worried about foam on my first pour...So, should I:

A) Take out all the insulation (not hard) and force cold air to the top of the tower

B) Connect the cold air hose from the cooling fan that I will be installing to the glycol hose. This will basically have cold air running through a hose next to the faucet hoses.

C) Build a glycol cooling system (loud and probably not gunna happen).

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Old 12-28-2008, 01:24 AM   #2
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The glycol wouldn't be very difficult to do. Just keep a container of glycol in the kegerator with your beer and put a small submersible pump to recirculate the glycol through the tower. It wouldn't need to run all the time, just turn it on until the lines are chilled.

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Old 12-28-2008, 02:30 AM   #3
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How large of a container would be needed? Is it really that much better than if I forced cold air up the tower?

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Old 12-28-2008, 04:05 AM   #4
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If your beer isn't traveling a long distance, glycol isn't necessary. A simple computer fan will work well. Do you really want glycol in your kegerator?

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Old 12-28-2008, 03:19 PM   #5
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glycol or glycerol?

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Old 12-28-2008, 03:38 PM   #6
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I have a "walk-in" cooler that is a full 30 feet from my bar. On top of the bar I have a coffin box with six taps. all of my lines are run from the walk-in, behind a wall, in from the side of the bar (through a wall) and up into the tap box through insulated PVC pipes.

... and I don't refridgerate the lines at all.

At first I had a small computer fan to push a tiny bit of cold air from the walk-in through the 3" PVC carrying the lines, up into the coffin box and then back to the cooler through a 2" return PVC pipe. After a week I realized I didn't even need that. My lines are at the bottom of a basement wall and just the temp of the beer in the lines and the tiny bit of air that gets into the pipes from the cooler keeps the beer cold.

I host about half of my brew clubs meetings at my house down in my bar and we usually have between 15 and 25 folks show for each meeting... and I've never had anyone ever say anything about warm or off beer due to some sort of warm-temp-related infection or anything like that and I've never had a foaming problem.

That's my VERY long way of saying that I think glycol for a regular kegerator is probably way over the top. I run 30 feet of line on nothing by ambient temperature inside of insulated PVC.

Getting your tower cooled a bit certainnly won't hurt but I would be much much more concerned with making sure your lines are balanced in terms of PSI... That'll make a much bigger difference than getting the tower cooled. There are a bunch of sites you can google that will give you all of the line/PSI balancing equations (what length and what internal diameter at what pressure).

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Old 12-28-2008, 10:18 PM   #7
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A small 12 CFM fan is the way I think I will go.

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Old 12-28-2008, 11:50 PM   #8
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Old 12-29-2008, 08:52 PM   #9
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I just got my kegerator up and running in November and have poured about 12 gallons of beer since then. I have the parts to make a tower fan if I decide to go that route . . . but I've noticed that I don't think I really need it. The difference between a first pour and a second pour is no more than 3/4" of foam, which when you drink out of 19 or 22 oz pilsner glasses like I do just looks like a perfect head. I had some foam issues when I first started, but switching from 5 feet to 10 feet of liquid line solved that quickly. A 22 oz pour at 10 psi takes about 10 seconds and foam is not really an issue.

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Old 12-29-2008, 09:10 PM   #10
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Quote:
Originally Posted by Cape Brewing View Post
I have a "walk-in" cooler that is a full 30 feet from my bar. On top of the bar I have a coffin box with six taps. all of my lines are run from the walk-in, behind a wall, in from the side of the bar (through a wall) and up into the tap box through insulated PVC pipes.

... and I don't refridgerate the lines at all.
Ok, we need pics here. Lot's O pics please.
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