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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Refractometer before/after fermenting?
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Old 08-31-2012, 07:41 PM   #11
DSmith
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Can you post your original gravity and refractometer reading for final gravity?


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Old 08-31-2012, 07:44 PM   #12
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Originally Posted by Bricks41 View Post
I tested my refractometer against my hydrometer last night and I found that none of the sites are completely accurate. I think the closest a site got to was +.005. Conversion stated it should be a FG of 1.013, but the hydro read a clear 1.008.

I'm still on the lookout for a reliable conversion.
In my experience, there is NO completely accurate conversion. What does work is that when the refractometer reading is the same over several days, you know it's done fermenting, and often it's "close enough" even if not totally accurate.

I still usually check FG with a hydrometer and skip the refractometer after fermentation begins.


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Old 08-31-2012, 07:47 PM   #13
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Originally Posted by Yooper View Post
In my experience, there is NO completely accurate conversion. What does work is that when the refractometer reading is the same over several days, you know it's done fermenting, and often it's "close enough" even if not totally accurate.

I still usually check FG with a hydrometer and skip the refractometer after fermentation begins.
+1 to this. I use the refractometer exclusively during brewday and that's it. I might use a hydrometer to check FG, but in all honesty I rarely check FG. Not best practices I know, but if you're confident in your fermentation, who cares?
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Old 09-01-2012, 03:29 AM   #14
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I depend on my hydrometer for the final gravity, but my go to for the OG is the refractometer. It would be nice to get the reliable conversion for a refractometer FG, but I understand the dozens of variables involved.
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Old 10-02-2012, 04:58 AM   #15
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can i use these conversion websites for wine also?


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