Questions tagged [refractometer]

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0answers
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Using Refractometer to measure Carbonation Level

I use a Refractometer when I brew mostly for the boil off phase of an all grain batch. This helps me make sure I get to the exact FG I want for the specific type of beer. It works well and I don’t ...
1
vote
1answer
91 views

Final gravity too high

I have an IPA that I've brewed in five gallon batches before. OG at 1.065 and FG at 1.010. Those were hydrometer readings. I scaled it down for a one gallon batch, and pitched half a packet of yeast (...
7
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5answers
4k views

Refractometer vs. Hydrometer

For years, I've always taken my gravity readings with the hydrometer that came with my original homebrew kit. There's nothing wrong with it, but I've been thinking lately about switching over to a ...
3
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3answers
101 views

Temperature calibration of ºBrix to SG conversion

I recently purchase a digital refractometer and use an online calculator to convert the ºBrix value to SG. My question is, at what temperature is the resultant SG calibrated?
4
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3answers
1k views

Why is my refractometer hard to read?

Got this refractometer recently. Haven't used a different one before and I'm new to home brewing in general. I was dry hopping my beer that's fermenting and decided to take a reading but it was very ...
8
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3answers
767 views

Using Refractometer

I started home brewing about 2 years ago with extract kits and now getting a little more involve with acquiring additional tools of the trade. I know how important checking the gravity is, but I have ...
3
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2answers
1k views

Specific Gravity: Refractometer and Hydrometer Disagree

I have tried to use a refractometer when brewing. I can never get an accurate pre-boil specific gravity reading that consistently aligns with my post boil, cooled wort hydrometer reading. I spoke ...
3
votes
3answers
1k views

Measuring SG on small (3.5l / 1g) batches

I do small batch brewing (3.5l-4l) and using hydrometer is a big pain for them, as I need to take very big amount of beer out to test it. I've learned to do OG readings with refractometer, but I get ...
14
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3answers
37k views

Can a refractometer be used for testing final gravity?

Can you use a refractometer to test final gravity?
3
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2answers
2k views

How to calibrate a refractometer

What's the best method for calibrating a refractometer? I've been using my cheapo refracto to take pre- and post-boil readings, but I also check with a hydrometer because I don't trust it yet. The ...
2
votes
3answers
688 views

How precisely can you read your refractometer

I do not have a refractometer and am considering buying one. My own concern is how precise you can get the readings. How many brix are you plus or minus when you do a reading? Is it as precise as a ...
1
vote
1answer
371 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 ...
8
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2answers
1k views

Refractometer - what exactly can it measure?

I am using a refractometer to determine gravities. I am aware of course that values measured need to be corrected depending on OG of the fermenting batch. What I don't know is, what kind of sugars am ...