Any sort of numerical manipulations used in calculating brew-related quantities such as bitterness, original gravity etc.
4
votes
2answers
102 views
Determining beer quantity when FG and weight are known
In making the assumption that given the final gravity and physical weight of beer (or any liquid for that matter), that you can find the total quantity, what is the calculation necessary for ...
3
votes
2answers
126 views
What factors go into calculating perceived sweetness/bitterness?
Some sites calculate bitterness vs sweetness on a scale of sorts, where one side is "malty sweet", and the other side is "hoppy bitter" (ex. hopville).
My question is, to do a very basic calculation ...
0
votes
2answers
186 views
Can I derive Final Gravity from Original Gravity and ABV?
I think the answer is yes. Since we use OG and FG to determine ABV ... I would assume we could do the same with ABV and OG to determine FG, right?
3
votes
1answer
149 views
How does efficiency change when adding grains that are normally steeped to a mash?
Imagine this scenario: you have a an extract recipe that contains a pound of steeped caramel malt. According to http://www.promash.com/FAQ/faq_diff.html the average efficiency of steeped malts is ...
6
votes
2answers
249 views
Measuring yeast in a slurry
Please tell me if I'm being overly simplistic here.
I was reading the book yeast by Chris White and Jamil Zainasheff. In the book, they talk about measuring how many cells are in a slurry by using a ...
3
votes
1answer
403 views
Why does the temperature of bottle conditioning determine the amount of priming sugar?
When using CO2 calculators or the nomograph on Palmer's site we see that depending on the temperature of your beer, you use a different amount of priming sugar in order to get the same effective ...
1
vote
1answer
241 views
Calculating boil volume in partial boil?
I'm an AG brewer but I haven't done an extract batch in years (or an AG one in over a year) and want to do an extract IPA this week. Looking at the various software and calculators, they don't seem to ...
9
votes
2answers
1k views
Can we estimate the temperature rise in the primary due to fermentation?
OK, this is sort of cheating but I really liked this question so I thought I'd ask the question again in a slightly different way and try and answer it.
I was wondering if we can actually estimate ...
3
votes
3answers
4k views
Temperature correction for specific gravity
If I want to convert my specific gravity reading from one temperature to an equivalent specific gravity at 60F how do I do it?
Can you give me a correction factor for this case?
2
votes
3answers
291 views
Homebrew Calendar/Planning Software/Site?
Does anyone know of a solid application for pre-planning your homebrews? I have a really tight schedule, and determining when to start a batch can be a real hairball. There are lots of variables and ...
3
votes
1answer
326 views
Quantifying the level of hoppiness in a beer
Does anyone know of some sort of measurement for the hoppiness of a beer? Late hop additions don't add much to the bitterness (IBUs) but they can add tons of hop flavor. Is there some way to ...
6
votes
3answers
1k views
Yeast Starter Steps
I want to make a yeast starter for a lager. I even went out and got a 3000 ml Erlenmyer Flask. According to mrmalty.com's calculator I need 506 Billion cells. With the two vials of White Labs yeast ...
11
votes
11answers
1k views
What are my options for brewing software?
I'm looking for brewing software that helps with record-keeping, calculations, inventory, and/or recipes. Across any platform (Windows/Mac OS X/Linux), what brewing software is available, and what ...
5
votes
5answers
256 views
Beer recipe calculations?
Does anyone know of a good place to get all the various formulas used to compute final gravity, color, bitterness, etc. in your beer?
6
votes
1answer
2k views
What's the ideal size for a mash tun?
This question has been bothering me for a while and I looked it up using google. The only related search result was this thread http://www.homebrewtalk.com/f11/how-big-your-mash-tun-needs-123585/ ...
4
votes
3answers
118 views
Is there a brewing software that supports late additions?
Promash doesn't support late addition of extracts (which affects hop extraction). Either that, or I can't find out how to do it.
I sometimes use beercalculus.hopville.com to create two recipes, one ...
15
votes
1answer
5k 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 ...
7
votes
3answers
398 views
Are there any reverse recipe caluclator / generators online?
I have a bunch of small amounts of leftover specialty grains ranging from 3 ounces to about 8 ounces of various types. I'd like to brew something with them. Are there any good sites out there that ...
