Initial gravity of wort (prior to fermentation).

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2answers
533 views

OG higher w/ full vs. partial boil?

I've done 2 full boils and probably 10 partial boils since I've started homebrewing. In both full boils, my OG has been significantly higher. Most recently, by .02 (expected 1.062 measured 1.082). ...
4
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3answers
9k views

When to add DME if you miss your starting OG?

My family was very nice to me this Christmas and I got a bayou classic burner and an 32qt. pot with 2 ports and a bazooka screen as well as an immersion chiller. I had built a 10 gallon mash tun over ...
6
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2answers
267 views

Why measure gravities?

I've brewed a good dozen batches of beer from kits, extract, extract+grain, and now all-grain, and I've never measured gravities. Why measure gravity, besides to know what you're getting? Is there any ...
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3answers
1k views

is it possible to estimate OG from nutritional information?

After many batches of beer, I've decided to try a hard cider. The recipe I have does not give a predicted OG, however all of the ingredients list the amount of sugar in the nutritional information. ...
5
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1answer
702 views

Curiously high OG after first all-grain batch

I conquered my first all-grain batch this weekend, and after some early problems constructing my cooler mash tun, it went off without a hitch. It's a Northern Brewer all grain kit, and the recipe ...
4
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1answer
3k views

Why is my OG so low?

I brewed this recipe but substituted crystal 80 for the crystal 15. I did the full mash option, and I doubled all the ingredients and did a 10 gallon batch. I got an OG of 1.045 at 75F so adjusted ...
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3answers
2k views

Why was original gravity high by .010?

Recently brewed a dry stout extract kit. Boiled 5 gallons on propane. Steeped 2 lbs of roasted malt, crystal malt and flaked barley at 155-160 F. Extract was 6.6lbs of Coopers Light LME. As usual, ...
4
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2answers
671 views

Undershooting OG in all-grain brewing

My last few all-grain batches have been under the expected OG at least as far as the recipe is concerned. The beers still taste good and all, but I'd like to get my efficiency up. For example, my ...
13
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1answer
959 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
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3answers
2k 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 ...
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1answer
325 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 ...
5
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2answers
907 views

Using Burnt Caramel / Brewer's Caramel in Recipes

Has anyone worked with using either burnt caramel or brewer's caramel in their recipes? I have read a few places that Fuller's is known to use this to increase the SRM of some of their product line, ...
4
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2answers
5k views

Stuck or Slow Fermentation

So I have my first possible stuck fermentation. First, my recipe: http://hopville.com/recipe/166971/extra-special-strong-bitter-english-pale-ale-recipes/shoals-pale-ale-clone I pitched with two ...
16
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1answer
13k views

[WIKI] How Do You Calculate Original Gravity?

This is a community wiki post. Anybody with more than 100 reputation can edit it. You may also post your own answer. I get no reputation if you vote the question up or down, however, please vote up if ...
4
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2answers
190 views

What effect would using less LME than called for have?

I just brewed a recipe for a biggish beer that calls for 6.6 lbs of light LME and 2.75 lbs of light DME. Given that I always mess up at least one thing when I brew, I measured out 2.75 lbs of DME and ...
4
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2answers
2k 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 ...