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Old 10-01-2010, 03:56 AM   #1
Apr 2010
New Mexico
Posts: 1

I currently have a batch of Pumpkin ale from MWB ready to bottle. I was thinking of filtering since the beer will be for a Halloween party and guests.

But here is my question.
I run the beer from a Cornelius keg through a canister style filter like this one...

......from there into the priming bucket where I add the priming sugar. Now my question is what kind of filter should I use so I still retain enough yeast for the ale to carbonate while in the bottle. Is there a certain micron level I should not go below to avoid filtering out the yeast yet clear up the beer enough to make it presentable?

I have filtered beer before but I kegged and force carbonated it. I really need to bottle it this time so some can be given away. Any advice and help would be greatly appreciated. Thanks All, Steve

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Old 10-01-2010, 04:09 AM   #2
lamarguy's Avatar
Aug 2008
Austin, TX
Posts: 1,653
Liked 26 Times on 25 Posts

A 5 micron (nominal) filter will leave enough yeast to support bottle conditioning.

Of course, you could always keg, carbonate, and bottle with a beer gun or homemade bottle filler.
Doggfather Brewery

Planned: Lambic, American IPA
Fermenting: 6 gals of 1.090 stout (Belgian) & 6 gals of 1.090 stout (English)
Tapped: Berliner Weisse, Black English IPA, German Pils, & Live Oak Primus

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Old 10-01-2010, 12:16 PM   #3
brewd00d's Avatar
Sep 2010
Townsend, Delaware
Posts: 411
Liked 3 Times on 3 Posts

thats something i was interested in too. i got a little bit of orange peel chunks in my carboy. gotta filter them out somehow.

for people who put their beer into kegs, do they need to prime the beer before they put it into the keg, or do they skip that step?

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Old 10-01-2010, 12:46 PM   #4
Bob's Avatar
Nov 2007
Christiansted, St Croix, USVI, US Virgin Islands
Posts: 3,927
Liked 144 Times on 105 Posts

@OP: Don't go below five microns if all you're doing is a rough polish. If it were my beer, I'd filter it at 1 micron, force-carbonate it, and fill with a beer gun or something.

@brewd00d: You can do either. Some keg-condition (I often do), most force-carbonate.


Fort Christian Brewpub
St Croix, US Virgin Islands

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