Initial gravity of wort (prior to fermentation).
4
votes
2answers
1k views
What causes Original Gravity to be lower than it should be?
I am an extract brewer and every brew I have done the OG was lower than the intended OG, (my OG is always lower than the recipe's OG). For example I brewed the stout recipe below from beertools.com ...
5
votes
2answers
965 views
Why would OG be significantly higher than predicted?
I know there are several questions on the forum about OG being lower than predicted. Please bear with me though. I'm at a loss. I just brewed a straightforward extract wheat beer recipe. The ...
3
votes
7answers
4k views
Why is my starting gravity low?
In the fall of 2011 I made the leap from extract/partial kits to all-grain kits. I'm enjoying AG, but my SG is continuously below the expected. I have brewed 5 AG kits and 4 have had a low SG.
My ...
9
votes
3answers
4k views
Didn't hit gravity--how to calculate how much malt extract to add to the fermenter?
Lets say you were aiming for 1.047 but only hit 1.032. In a 5 gallon batch, how much malt extract would you need to add to the fermenter to bring it up to the desired gravity?
13
votes
1answer
618 views
Original Gravity: Calculate or measure
I've been told that for extract brewing it's best to simply calculate the original gravity instead of measuring it. Is this correct? What are the pros/cons either way? What about with ...
4
votes
3answers
889 views
Brewed an Oatmeal Stout and the gravity did not drop as much as predicted, should I re-pitch or add yeast nutrients/energizer?
I just brewed an oatmeal stout see recipe details here and I have a question about missing Orignal and/or Final gravities.
The OG was supposed to be 1.061 and the FG 1.016. I brewed and got an OG or ...
3
votes
3answers
3k views
Why is our Original Gravity low?
When brewing from an extract kit we always seem to be low in the Original Gravity department. It's usually not a lot -- something like 1.055 instead of 1.060. What might be causing this to happen? Is ...
1
vote
3answers
214 views
Hydrometer reading interference
When brewing an IPA about a week ago, my starting gravity reading came out to be 1.12 - significantly higher than the listed target of 1.07 on the recipe. I had suspicions of error at the time which I ...
1
vote
1answer
250 views
Can I retroactively deterimine my OG with a refractometer?
Brewed a big Belgian beer last week. And using my refractometer (poorly, as it turns out), I wasn't able to get a solid reading of the OG.
Now a week later I've taken a sample of the beer and want to ...
