How do you know when a yeast starter is ready? - Home Brew Forums
Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > How do you know when a yeast starter is ready?

Reply
 
Thread Tools
Old 12-09-2011, 11:28 PM   #1
spenghali
Recipes 
 
Jan 2009
Corvallis, OR
Posts: 456
Liked 17 Times on 17 Posts



I read the wiki on yeast starters, it says the starter should be ready in 1-3 days. But how do you know when it is ready? Also, is there any advantage to making a bigger (more volume) starter? Thanks for any help.



 
Reply With Quote
Old 12-09-2011, 11:31 PM   #2
badhabit
Recipes 
 
Mar 2010
Evanston Wyoming
Posts: 721
Liked 13 Times on 13 Posts


After Krausen. It will stay OK for two to three days after. Chances are good that you will miss the Krausen, just look for the white yeast on the bottom of the jar/flask and you are good to go. As long as you pitch a cell count that is appropriate to begin with making a bigger starter serves no purpose.



 
Reply With Quote
Old 12-09-2011, 11:33 PM   #3
jtejedor
Recipes 
 
Sep 2010
Las Vegas
Posts: 651
Liked 11 Times on 10 Posts


If you really want to be sure you can measure the gravity to make sure it fermented out. Its not exactly scientific but I go by color. My starters are usually pretty dark after being made, they get light once they have fermented out and you will be able to see the yeast cake settled to the bottom of the flask. The size of the starter depends on how big of a beer your making Mrmalty.com that calculator can help determine how big of a starter you need.

 
Reply With Quote
Old 12-09-2011, 11:35 PM   #4
spenghali
Recipes 
 
Jan 2009
Corvallis, OR
Posts: 456
Liked 17 Times on 17 Posts


Quote:
Originally Posted by jtejedor View Post
If you really want to be sure you can measure the gravity to make sure it fermented out. Its not exactly scientific but I go by color. My starters are usually pretty dark after being made, they get light once they have fermented out and you will be able to see the yeast cake settled to the bottom of the flask. The size of the starter depends on how big of a beer your making Mrmalty.com that calculator can help determine how big of a starter you need.
So, ideally, you want it to be fully fermented out, as if it were just a mini batch of beer?

 
Reply With Quote
Old 12-10-2011, 12:05 AM   #5
builderguy
Recipes 
 
Jan 2011
Sacramento, CA
Posts: 91
Liked 3 Times on 1 Posts


Technically you're not going for fermentation...you're going for growth...there's difference...but yes look for the Krausen to drop and the yeast cake on the bottom.

 
Reply With Quote
Old 12-10-2011, 12:33 AM   #6
jtejedor
Recipes 
 
Sep 2010
Las Vegas
Posts: 651
Liked 11 Times on 10 Posts


Quote:
Originally Posted by spenghali View Post
So, ideally, you want it to be fully fermented out, as if it were just a mini batch of beer?
Well yes but I have very rarely measured them. Just when there seemed to be no activity going on in the starter and I just wanted to double check but most of the time you can probably get away without measuring the starter and just going by visual cues.

 
Reply With Quote
Old 12-10-2011, 02:05 AM   #7
Sulli
Recipes 
 
Mar 2008
Salt Lake City, Utah
Posts: 395
Liked 35 Times on 18 Posts


If you use a stir plate it will be done in about 24 hours, even with intermittent shaking it shouldn't take much more time than that.

 
Reply With Quote
Old 12-10-2011, 02:07 AM   #8
spenghali
Recipes 
 
Jan 2009
Corvallis, OR
Posts: 456
Liked 17 Times on 17 Posts


thanks for the help. off topic: this is my first time making a starter and also first time with a smack pack. Is it less necessary to make a starter with a smack pack?



 
Reply With Quote
Reply
Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Starter from previous homebrew - When is it ready? MaltMountain Fermentation & Yeast 2 09-29-2011 02:24 PM
how do i know my starter is ready? hiphops Fermentation & Yeast 8 06-07-2011 12:39 PM
wort is ready but not the starter hiphops Fermentation & Yeast 7 06-06-2011 10:57 PM
How do I know when my starter is done and ready for a step up? JayWeezie Fermentation & Yeast 1 05-21-2011 10:53 PM
I made a starter but not ready to brew Bassman Fermentation & Yeast 3 02-22-2010 06:11 PM


Forum Jump