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Yeast harvesting

Posted: Sat Nov 27, 2010 9:00 am
by phirleh
I have a carboy of WL530 that I`m going to rack to secondary next weekend. It`s been very active for a week and I`m planning to put another beer on the yeast cake and harvest some yeast beforehand. What methods do you use to get yeast from a carboy? Sterilize the mouth and pour some into a sterilized jar and pour the suspended yeast into a new jar once the trub has settled?

Re: Yeast harvesting

Posted: Wed Dec 01, 2010 12:17 pm
by matt7215
phirleh wrote:I have a carboy of WL530 that I`m going to rack to secondary next weekend. It`s been very active for a week and I`m planning to put another beer on the yeast cake and harvest some yeast beforehand. What methods do you use to get yeast from a carboy? Sterilize the mouth and pour some into a sterilized jar and pour the suspended yeast into a new jar once the trub has settled?
almost what i do.

heres my method.

leave about an inch of beer above the trub in the carboy.

swirl the carboy to combine beer and trub and pour into a clean santized growler, seal with airlock.

on brewday swirl the growler to recombine at the start of your boil.

once the wort is cool pitch the liquid from your recently swirled growler leaving behind what has settled out.

Posted: Wed Dec 01, 2010 12:41 pm
by matt7215
this is being discussed on ratebeer aswell

http://www.ratebeer.com/forums/yeast-cu ... 157258.htm

Posted: Wed Dec 01, 2010 12:47 pm
by phirleh
Thanks Matt, this has been fermenting for a week and a half and the airlock is still popping every thirty seconds at least.

Posted: Wed Dec 01, 2010 12:50 pm
by matt7215
phirleh wrote:Thanks Matt, this has been fermenting for a week and a half and the airlock is still popping every thirty seconds at least.
just wait till the yeast flocs out before you rack the beer. what temp do you have it at?

Posted: Wed Dec 01, 2010 1:04 pm
by phirleh
about 70

Posted: Wed Dec 01, 2010 1:23 pm
by matt7215
phirleh wrote:about 70
it shouldnt have a problem finishing @ 70

Posted: Sat Dec 11, 2010 11:50 am
by duncan
What is the maximum timeframe from croppping to re-pitching. Also I assume no one acid washes their yeast before repitching.

Posted: Tue Dec 21, 2010 5:50 pm
by Swampale
Go to mrmalty.com. This site will give an accurate amount of pitching rates.