New Giveaway - Wort Monster Conical Fermenter!

Home Brew Forums > Home Brewing Beer > General Techniques > Gravity Reading way low???




Reply
 
LinkBack Thread Tools Display Modes
Old 03-17-2013, 04:27 PM   #1
HomebrewNate
Feedback Score: 3 reviews
Recipes 
 
Join Date: Jan 2013
Location: Tampa, FLORIDA
Posts: 51
Liked 4 Times on 2 Posts
Likes Given: 1

Default Gravity Reading way low???

I made a batch of wheat beer yesterday and siphoned my cooled wort from kettle to fermenting bucket as usual. I put two gallons of distilled water in bucket, pitch yeast and then siphon 3 gallons of wort into bucket using tubing that sits on the bottom of the bucket under the water (to prevent aeration). I typically do not stir the beer after siphoning.

When I took the gravity it measured way lower than the prediction (and this is a kit recipe from Austin Homebrew so should have been pretty accurate). I took the sample from dipping the test jar into top of liquid, which I understand may not be best method. After getting low reading I tasted the sample from test jar and it tasted almost like water...very weak even for beginning product!

Is it possible that my siphoning method leaves the heavier wort sitting on the bottom of the mixture with the plain water rising to top? Could this result in the low reading and watery taste? Has anyone had this issue? Any advice or insight would be appreciated!

On a side note, I have read different views about stirring the wort after siphoning. Some say to "stir vigorously" to activate yeast and some say not to stir at all to prevent aeration. I'd love to hear your viewpoints.



__________________
HomebrewNate is offline
 
Reply With Quote Quick reply to this message
Old 03-17-2013, 05:25 PM   #2
Hammy71
Senior Member
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
Hammy71's Avatar
Recipes 
 
Join Date: Sep 2008
Location: , Maryland, The Tax Me State
Posts: 5,481
Liked 376 Times on 296 Posts
Likes Given: 535

Default

Yes, if the beer/water mixture isn't "mixed" well, then your original gravity reading will probably be off. Aeration is a good thing before fermentation starts in the fermenter. After fermentation is complete it is a bad thing. So stirring vigorously, will not only help your yeast, but also help with your hydrometer readings. In the meanwhile (I'm assuming your doing an extract brew), I'd just use the OG that is suggested in the recipe/instructions. Extract brewing is a known efficiency, so your OG should be pretty darn close to the suggested one.



__________________
Hammy71 is offline
 
Reply With Quote Quick reply to this message
Old 03-17-2013, 10:39 PM   #3
RM-MN
HBT_SUPPORTER.png
Feedback Score: 1 reviews
Recipes 
 
Join Date: Nov 2010
Location: Solway, MN
Posts: 6,130
Liked 640 Times on 536 Posts
Likes Given: 187

Default

Quote:
Originally Posted by HomebrewNate View Post
I made a batch of wheat beer yesterday and siphoned my cooled wort from kettle to fermenting bucket as usual. I put two gallons of distilled water in bucket, pitch yeast and then siphon 3 gallons of wort into bucket using tubing that sits on the bottom of the bucket under the water (to prevent aeration). I typically do not stir the beer after siphoning.

When I took the gravity it measured way lower than the prediction (and this is a kit recipe from Austin Homebrew so should have been pretty accurate). I took the sample from dipping the test jar into top of liquid, which I understand may not be best method. After getting low reading I tasted the sample from test jar and it tasted almost like water...very weak even for beginning product!

Is it possible that my siphoning method leaves the heavier wort sitting on the bottom of the mixture with the plain water rising to top? Could this result in the low reading and watery taste? Has anyone had this issue? Any advice or insight would be appreciated!

On a side note, I have read different views about stirring the wort after siphoning. Some say to "stir vigorously" to activate yeast and some say not to stir at all to prevent aeration. I'd love to hear your viewpoints.
During the initial part of the fermentation the yeast need oxygen to help them in the reproductive process. Don't worry about aeration before fermentation starts, work to increase it. Some brewers working with liquid yeast in high gravity beers will use pure oxygen to help the yeast.

Once the beer is fermenting you don't want aeration.
__________________
RM-MN is offline
 
Reply With Quote Quick reply to this message
Old 03-18-2013, 05:00 PM   #4
HomebrewNate
Feedback Score: 3 reviews
Recipes 
 
Join Date: Jan 2013
Location: Tampa, FLORIDA
Posts: 51
Liked 4 Times on 2 Posts
Likes Given: 1

Default

Great, thanks for the input!

__________________
HomebrewNate is offline
 
Reply With Quote Quick reply to this message
Reply


Quick Reply
Message:
Options
Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
1st gravity reading Scooba Beginners Beer Brewing Forum 5 10-17-2011 10:12 PM
Why is my gravity reading low? koerd85 Beginners Beer Brewing Forum 8 04-30-2011 02:28 AM
First gravity reading ever slantedbolt Beginners Beer Brewing Forum 5 11-18-2010 01:20 AM
After the Gravity Reading cglkaptc Beginners Beer Brewing Forum 5 03-15-2008 12:12 AM
Gravity reading KIDD All Grain & Partial Mash Brewing 8 07-20-2007 03:04 PM