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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > Can't get below 1.040 FG
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Old 08-12-2014, 09:36 PM   #11
PrinceOfThePoint
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Measuring gravity wrong for two years?!? Jk... Surely you can tell whether or not they really are at 1.040 by the sickening sweetness...??

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Old 08-12-2014, 10:37 PM   #12
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A hydrometer will get your sg for fermentation but adding after gets a little funny because you are also adding volume.

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Old 08-12-2014, 10:56 PM   #13
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Don't stop using your refractometer. You can use it to determine if you've reached FG if you get the same readings with some days apart (even though they are bogus, but it doesn't matter as long as they are the same). When you've concluded the FG has been reached then you pull out the hydro to find out what the FG really is.

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Old 08-13-2014, 01:57 PM   #14
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I've only been using the refractometer for about 6 months. So prior to that I must have been getting proper readings. The beers aren't sweet at all (unless of course I wanted them to be) which is what threw me. It didn't seem right I was getting such high readings.

Thanks to all for the assistance. I'm bottling this weekend so I should know how off my readings are.

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Old 08-13-2014, 02:27 PM   #15
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The calculators for the refractometer are pretty good. You need to know your OG and the current brix reading from the refractometer and then you get the adjusted gravity. I use the one in BeerSmith but there are online ones.

When I put my beer into primary I pre-calculate what the adjusted gravity=> to brix is and put that on the label I put on the fermentor. That way I can take my sample check it and I already know what the adjusted measure should be. Then when I'm sure I'm steady and close based on the refractometer I use my hydrometer to get a final more accurate reading.

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