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Final gravity reading difference between hydrometer & Refractometer

  • Dave Harry
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2 weeks 3 days ago #2905 by Dave Harry
Dave Harry created the topic: Final gravity reading difference between hydrometer & Refractometer
Hello Gash and fellow forum members,

I have done a couple of all grain brews with the first one going okay. Now about to bottle my second AG brew and there is a difference between hydrometer and refractometer on my final gravity on a pale ale. The Brew has been in the fermenter for two weeks and two hydrometer readings in successive days were both 1.009. I just bought a refractometer and followed the calibration steps now the refractometer reading is 1.020. Any thoughts, ideas on this please.

Thanks
Cheers
Dave

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2 weeks 2 days ago #2906 by Gash
Gash replied the topic: Final gravity reading difference between hydrometer & Refractometer
G'day mate, refractometers are perfect for brewing before the ferment, but after alcohol is present they read differently, there are calculators around that can estimate what your reading is.
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2 weeks 2 days ago #2907 by Gash
Gash replied the topic: Final gravity reading difference between hydrometer & Refractometer


So the first number is your SG/OG starting gravity, I guessed this here, then you put in your reading 1.020 = 5.08 brix, this calculator says its 1.009 which matches what your hydro said.

the second calculator here.
www.brewersfriend.com/refractometer-calculator/

Cheers mate!
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2 weeks 2 days ago #2908 by Dave Harry
Dave Harry replied the topic: Final gravity reading difference between hydrometer & Refractometer
Cheers for that Gash. Yeah I realised after I asked the question and had done some more research that the adjusted number is pretty much spot on for my final gravity so that's all good. Still learning the ropes but enjoying it.

Thanks!
Dave

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Drunken Ramblings

Gash's Avatar Gash - Fri 8 Dec - 16:05

Sounds like it went well mate, cheers!

Finnroo's Avatar Finnroo - Fri 8 Dec - 14:23

brew day done, 4.30 pmvery hot here in christchurch over 30degCmanaged to get wort down to 23degC before pitching my washed yeast. Scottish ale OG 1058, Im very happy with that. Cheers all an awesome brew day.

Finnroo's Avatar Finnroo - Fri 8 Dec - 09:16

Its finally brew day, Mash is just finishing and going well. Out there brewing it. Cheers :P

Finnroo's Avatar Finnroo - Wed 22 Nov - 16:24

David Cassidy Dead. Another rock icon gone.He was part of thye 70s glam promo thing with a tv show the partridge family. When the Sweet , Slade, T rex and Bowie were doing there thing some were pushed into the money making scams.RIP David. Ledgend :D

Gash's Avatar Gash - Sun 19 Nov - 23:30

dark day indeed!

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