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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > fg on refractometer
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Old 10-24-2012, 03:49 AM   #1
oasisbliss
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Default fg on refractometer

Why can I not take my final fermented gravity reading with my refractometer? I have read somewhere that you can if u do some calculation. Any explanations or suggestions would be much appreciated

Mike

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Old 10-24-2012, 03:55 AM   #2
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I have not heard of any calculation but the reason is because the alcohol in the beer makes the reading way off. You have to have a hydrometer to test FG.

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Old 10-24-2012, 04:15 AM   #3
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Www.seanterrill.com (I think that is it) has a pretty accurate calculator for refractometer FG.
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Old 10-24-2012, 04:15 AM   #4
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You can use this calculator http://seanterrill.com/2012/01/06/re...er-calculator/ but I would still double check your f.g. with your hydrometer. I've used it before and it seems to be right on with my hydrometer. So give it a try.

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Old 10-24-2012, 06:39 AM   #5
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you all rock ! - thanks

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