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Posted in thread: Two OG readings on 06-01-2014 at 10:18 PM
Never trust the specific gravity scale on a refractometer. It is not possible to convert the
refractive index of a solution to a specific gravity, without knowing the makeup of that
solution, Google "...
Posted in thread: Make a starter or repitch slurry... on 05-22-2014 at 01:23 AM
If the slurry is a month old, I would definitely make a starter. I might be tempted to omit the
starter, if the slurry is just a few days old, but in my case, this never happens.-a.
Posted in thread: attenuation of renaud yeast on 05-22-2014 at 01:15 AM
As far as I'm concerned, the published attenuation figures appear to be a work of fiction.For
example, WLP002 has a published attenuation of 63 - 70%, but I regularly get 80% from the first
Posted in thread: Final gravity on a hefe-help! on 04-22-2014 at 01:14 AM
Are you using the reading directly from the refractometer to get your FG value, or are you
processing the refractometer reading through some sort of calculator to get the FG reading?If
you are reading...
Posted in thread: Final gravity on a hefe-help! on 04-21-2014 at 05:57 PM
Are you using a hydrometer or a refractometer for your gravity readings?If you are using a
hydrometer, I cannot help.If you are using a refractometer, you need to apply a correction to
get an approxim...
Posted in thread: British Bitter Priming Instructions - Way Off? on 04-20-2014 at 09:40 PM
Thanks ajf, I assume you are familiar with the style and will follow your instructions. I am
going to shoot for 2.2, as I actually like the low-carb style. That's still half a cup as
opposed to 2/3rds...
Posted in thread: British Bitter Priming Instructions - Way Off? on 04-20-2014 at 06:08 PM
The priming sugar calculator assumes 1.5 volumes CO2. While this may be reasonable for a
draught beer, it is totally inadequate for a bottled beer. For bottling, I would aim for a
minimum of 2.2 volum...
Posted in thread: My process and low efficiency .. Help! on 04-19-2014 at 10:21 PM
You've got it. I no longer check my temp at the end of the mash, because (when I did) I found
that I'd never lost more than 1 or 2 degrees. If you don't stir, the mash out water will be
sitting on top...
Posted in thread: Refractometer for FG on 04-19-2014 at 06:04 PM
You can always take a Brix reading, and not bother to convert it to SG. When the Brix reading
stays stable for 2 - 3 days, fermentation is finished. You can then use a calculator to get an
Posted in thread: My process and low efficiency .. Help! on 04-19-2014 at 03:09 AM
I also brew 5g batches in a 10g MLT, do a mash out, and fly sparge, and get a consistent 75%
brewhouse efficiency.I don't have a thermopen, and use a 5g cooler as a HLT; but I doubt that
makes any dif...