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6
votes
10answers
899 views

How can I permanently mark my carboys?

I have several glass carboys which I would like to permanently mark with gradations to measure liters and gallons. I've tried using permanent marker as well as heavy-duty tape, but inevitably both ...
3
votes
1answer
180 views

Reading a 3 scale hydrometer

My dad bought me a hydrometer and then left the country. Now I don't know how to read all measurements. 1st scale: 1-13% (I presume this is the potential alc scale) 2nd scale: 1-26 3rd scale: 1-28 ...
5
votes
2answers
1k views

How do I measure the alcohol of a fruit beer?

According to some recipes I have seen, a simple way to make a fruit beer is to make a regular "base" beer, and then rack it on top of the fruit after about a week of fermentation. In that case, how ...
4
votes
1answer
135 views

Estimating final alcohol by Original Gravity

Is it possible to estimate final alcohol value from the orginal gravity of the wort? Is apparent attenutaion involved in the estimation? I guess if I know OG and FG this is the answer. What if FG is ...
6
votes
2answers
545 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 ...
8
votes
1answer
654 views

How does electrical conductivity of a fermenting liquid change over time?

Has anyone ever measured how the conductivity of fermenting liquids changes over time? I have a hypothesis that it does change over time, and that as the fermentation rates and stages change, so ...
4
votes
1answer
114 views

Home method to measure sugar profile

Is there any sort of (financially attainable) test kit available to measure the sugar profile in wort and beer? In particular, I'd like to know the breakdown of glucose, fructose, sucrose, maltose, ...
3
votes
2answers
149 views

What exactly should I measure while brewing?

I want the answers to be geared towards meads/wines if possible. There seems to be so many things to measure. Which are the ones that really matter? I've started spending a lot of time taking all ...
7
votes
1answer
122 views

Size of a “Gallons” in recipes

I'm from the UK and only really work in metric. Im having a bit of trouble converting this recipe into metric. In brewing does a "gallon" mean the imperial or american gallon? (23L or 18L)
1
vote
2answers
955 views

Degrees Plato vs Specific Gravity

What is the difference between these measurements and is one better than the other for any particular use? Which measurement scale do you use, why?
5
votes
2answers
498 views

How to measure wort oxygenation

As a follow-up to a couple of other questions: How to Properly Oxygenate Wort Wort aeration on a budget How do you measure oxygenation of wort? What methods are available for a beginner brewer ...