Re-using Yeast

Grains, malts, hops, yeast, water and other ingredients used to brew. Recipe reviews and suggestions.

Moderator: slothrob

Post Reply
pfrichar
Posts: 7
Joined: Tue Nov 24, 2009 10:45 am
Location: Sunny Southern Maine

Re-using Yeast

Post by pfrichar »

I saved some of the trub from the bottom of a primary in which I used Safale 05 to ferment a 1.045 gravity ale. I packaged the slurry in two sanitized bottles, capped them and refrigerated them.

Will I be able to re-use this yeast and how?

How long will it keep?
New brewer (since 11/09). Brewing with extracts but thinking all-grain is in my future.
bobcat_brewer
Light Lager
Light Lager
Posts: 49
Joined: Mon Jan 18, 2010 9:15 pm

Post by bobcat_brewer »

Assuming there were no flaws during fermentation (infection, stress, etc), you can use that yeast again. I don't wait any longer than 1 week before re-pitching.
User avatar
brewmeisterintng
Strong Ale
Strong Ale
Posts: 384
Joined: Thu Jan 13, 2005 8:47 pm
Location: Clarksville, TN

Yeast Life

Post by brewmeisterintng »

That is up for debate. I have quite a few different yeast sitting in the refrig. I always make a yeast starter before pitching to make sure they are still active. With that said... I have used yeast six months old that has been sitting in a Mason jar under a inch or two of beer without an issue. Keeping everything clean is real important.
Post Reply