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Home Brew Forums > Home Brewing Beer > Bottling/Kegging > Filtering
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Old 11-22-2008, 01:31 PM   #1
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Default Filtering

Can I get some advice please?

First,a disclaimer:
I am aware that the use of Irish moss and other clarifiers helps eliminate the need for considering filtering homebrew.
I am aware that long term conditioning of beer promotes clarity and further reduces the need to filter.
I am aware of the benefits of cold crashing.

Disclaimer over.

Now,my question.Could I use a 5 micron home water filter with my kegging setup and filter a batch that I plan to serve Thursday but which is still WAY to cloudy and has floaters (hop junk) in it? It has been in a keg in a very cold refrigerator for a week, but two glasses I poured looked like a very cloudy wheat (it ain't) with leaf bits. I'm thinking that matter that settled to the bottom wouldn't have been two glasses full... am I wrong?
My guests are not homebrew drinkers,but are beer drinkers so it's this or go buy beer for me.

If no one knows if this will work I'll do the experiment and report back. I do need some advice re sanitizing the filter though. I'm thinking of running Star San through it first, but how would I get most of that out of the filter itself before pushing the beer through? Remove and shake as dry as I can first perhaps? I am planning on the filter medium being a one-time use deal so am not concerned about cleaning or sanitizing it after use.

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Old 11-22-2008, 03:04 PM   #2
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If you just tapped it you're probably just sucking up the sediment. Few more pints it might be gone.

That said, I would just soak it in starsan, disassemble and drain most of it out. A little won't hurt. I read a thread on it before, and I think 5 micron should be alright. Are you pumping or siphoning?

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Old 11-22-2008, 03:19 PM   #3
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Pushing through the filter with co2

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Old 11-22-2008, 03:20 PM   #4
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5 Micron would be pretty ideal. Your best bet would be setting up the filter between two kegs, one with the beer in it and one that is empty, flushed with CO2, and has the poppet vent open on the top. Then push the beer out of the one that is full, through the filter, and into the "out" side of the empty one so it fills from the bottom up.

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Old 11-22-2008, 03:54 PM   #5
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Could it be that since you did cold crash it in the keg. you're just picking up a lot of goop from the bottom? What if you do like some people mention on here and shorten your dip tube so it doesn't touch the bottom?

If you do experiment, grab a camera and takes pics...if it works you might have a great DIY.

Good luck either way.

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Old 11-23-2008, 06:09 AM   #6
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Quote:
Originally Posted by Tonedef131 View Post
5 Micron would be pretty ideal. Your best bet would be setting up the filter between two kegs, one with the beer in it and one that is empty, flushed with CO2, and has the poppet vent open on the top. Then push the beer out of the one that is full, through the filter, and into the "out" side of the empty one so it fills from the bottom up.
Just need to make sure the keg you are filtering too, has the pressure release open.
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Old 11-23-2008, 03:18 PM   #7
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http://www.homebrewtalk.com/f36/chil...i-fixed-89036/

That's my rig for filtering. It would be easier between two kegs as you'd pressurize the one it's in now, transfer through the filter and into your other keg (which has of course been sanitized and C02 purged). It works nicely! I ran about a gallon of water/Starsan through the lines and filter, pausing in-between the transfer to let the sanitizer sit a bit, and then continued and dumped what was left in the filter at the end.
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Old 11-23-2008, 03:28 PM   #8
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My filtering rig:



I invert the filter towards the end to minimize waste.

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Old 11-23-2008, 03:59 PM   #9
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Quote:
Originally Posted by david_42 View Post
My filtering rig:



I invert the filter towards the end to minimize waste.
Is that red cylinder your CO2 - I thought red was always used for oxygen?
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Old 11-23-2008, 04:10 PM   #10
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Aren't Oxygen cylinders Green?

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