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> What Happened to my middle run?
> I am now just finishing a second run that has me puzzled.. I've
> here that each still is different, but the behavior of mine has
> scratching my head. I had combined two first runs, added water to
> elements with some baking soda.
> I equalized mine with full reflux, drew off the forshots at 56-66
> pitched it. I turned power down and it stabilized at 66-67, which
> drew off quite a bit (84 abv). I thought this would be the
> kept the power down (read, kept fiddling) as it rose to 68C. I
> reflux high, then it rose quickly to 81C, so I turned power down
> it stabilize at 68 again. At that point I opened reflux (none at
> point) with power still down. It stabilized for a while, then
> again to 81C and eventually 87C.
> From what I'd heard, it "should" have stabilized around 78C for
> Can someone clue me in? Please?
Sounds to me like you have returning reflux (somewhat cooled)
contacting your thermometer probe and interfering with true
measurement. Look at the placement, shielding etc. of the
The only other possible explanations are:
1) Extremely high altitude. Boiling points drop 1°F for every 500
feet above sea level.
2) Badly calibrated thermometer. Recalibrate with known constants
i.e. ice and boiling water.
If asked to wager, my money's on the returning reflux.