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Questions tagged [gravity-reading]

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3
votes
3answers
99 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?
0
votes
1answer
136 views

Gravity concerns slow fermentation

I have returned to home brewing after a long leave of absence and would be very grateful for some advice just to make sure my wort is still going in the right direction as I am getting a bit concerned....
8
votes
3answers
762 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 ...
4
votes
2answers
217 views

FG too low to read

I bought a hydrometer to level up a bit my game, It works great for Initial Gravity measures, it has a range from 0.997 to 1.100. My problem comes when it finishes the fermentation, I get a very VERY ...
1
vote
2answers
1k views

What's the average loss of gravity after two days of fermenting?

I was just curious because I took what was supposed to be my OG two days after because my hydrometer came late. The reading seemed very low, 1.030, and I was hoping I lost at least .010 from the ...
3
votes
3answers
137 views

How to check gravity cleanly

I have a 23 litre brew (about 5/6 gallons). The fermentation bucket has a tap at the bottom for bottling. The bucket is covered with a lid, and has an airlock. What's the best way to get some beer ...
3
votes
3answers
268 views

Trying to calculate my efficiency correctly

So I've just completed my fifth BIAB brew, and this time I decided to try and calculate the mash efficiency of my setup since I'm fairly sure it's not as high as it should be. I also think at the ...
0
votes
1answer
148 views

Testing specific gravity before bottling

I brewed a batch of beer about 3 weeks ago, and I was told to test the gravity prior to bottling to make sure it is ready. My question is, will I do any harm by opening the fermentation bucket in ...
1
vote
1answer
225 views

Low Pre boil gravity

I have brewed the same recipe 4 times. All 4 brews had 1.028-1.030 pre-boil gravity but today when I finished my mash I had 1.025. Any reasons that happen? And what impact will it have on my beer?
1
vote
1answer
77 views

Use the same sample for gravity readings

Is there any reason why you can't use the same sample for all your gravity readings rather than taking a fresh sample each time? The idea being to take an initial reading and then keep this sample ...
5
votes
1answer
420 views

How might trub effect taking original gravity?

For the beer that I brewed this past weekend, I finally remembered to take an Original Gravity reading. Unlike my previous last three attempts, I actually had a little more than my target 1 gallon, ...
1
vote
2answers
947 views

Gravity going down during boil. How can it happen?

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our ...
3
votes
1answer
840 views

Does trub effect your gravity reading?

took a gravity reading today at the end of the transfer from the kettle and there was quite a bit of trub in the cylinder, like the whole flip'n tube. so would the trub hold the hydrometer up and give ...
3
votes
2answers
975 views

Final Gravity on the Refractormeter vs. the Hydrometer

I've been brewing the same recipe now for several batches. It's my house beer. A Kolsch-style beer. While I have followed the same recipe for each attempt, I'm sure there has been some variances in ...
5
votes
2answers
228 views

What would make my gravity increase?

I have a cider that i have been fermenting for almost two weeks. I took a reading about four days ago and it was 1.005, we decided it was about time to bottle. Then last night when we got around to ...