You're all freakin' geniuses!
That was it. I have two beers fermenting right now that I thought had stopped early. I re-checked with a hydrometer and they both hit the target dead on.
I had no idea the refractometer would be that off. When I started a year ago, I was having all kinds of...
Bensiff,
I haven't been using a hydrometer since I got a refractometer. However, when I first got it I would cross check the two for accuracy and found they always agreed.
Badbrew,
I thought that might be a problem so I've been keeping the temps low (150 F -154 F) to be safe and stirring...
I'm also a programmer by day like Spintab and would like to offer my 2 cents for what's it's worth.
I use a cheap chest freezer with a Johnson Controller for my fermentation. I setup a monitoring system that measured room temperature, freezer air temperature and a probe taped to the side of...
I must be doing something basically wrong because my fermentation ALWAYS stop early. Here's are examples from a few recent brews:
Barley wine:
OG (target/actual): 1.101 / 1.105
FG (target/actual): 1.022 / 1.050
Blonde Ale:
OG (target/actual): 1.046 / 1.046
FG (target/actual): 1.009 /...