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Old 02-25-2009, 06:12 PM   #1
PavlovsCat
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Default Temperature strips accuracy

The temp strips seem like a convenient idea. Had one on a carboy and the temp was reading about 77 degrees. The carboy was in a 68 degree water bath so I checked the temp with the digital probe. The wort was spot on 68F. I could have had a bad strip, but now I just use the digital probe taped to the outside of the carboy, with a little bit of insulation between it and the ambient air.


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Old 02-25-2009, 06:17 PM   #2
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Mine reads a couple degrees low (I have the northern brewer ones). The sticker said 64 the other day and a lab stick dropped in the test jar read 66/67. You probably have a bad strip if its reading 9* high.


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Old 02-25-2009, 06:19 PM   #3
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They are a pretty good approximation, but it seems to me that they measure the air temp more than the actual beer. I bet you have a bad strip.
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Old 02-25-2009, 06:33 PM   #4
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I put one of these strips on each of my first 3 carboys. Even empty, in the same ambient, they all read different temps. In approx. 70 degrees, one read 74, on read 78, and one was blank.
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Old 02-25-2009, 07:38 PM   #5
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My very first batch was fermented in the bucket with a temp strip attached, which read 70 degrees. When I went to bottle, I noticed that there was a banana odor, representing high esters. (used to make this stuff in chem class - it was a good thing back then). One of the reasons for ester formation is too high of a ferm. temp. Now I'm wondering.......
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Old 02-25-2009, 08:29 PM   #6
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just a note I have the temp strip on my better bottle Im fermenting in. The temp strip read 68 degrees. For the heck of it I stuck my thermocouple in the wort, it read 76 degrees f.


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