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Old 07-16-2008, 09:55 PM   #1
dipflop
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Default Partial Mash Temperature Reading

The last couple partial mashes I had a hard time getting a temperature reading. I use one quart of water per pound of grain. I throw a floating thermometer into the pot with the mash and there isnt enough water to get a good reading. When I try to get a reading from a lab themometer it changes depending on where I put it.

What would be the effects of using more water in the mash or is there a better way to go about getting a temp reading.

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Old 07-16-2008, 10:14 PM   #2
malkore
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1qt per pound of grain is a little on the thick side. 1.25-1.3qt is a little more typical.

it sounds like you just need the right kind of thermometer for the job. something that doesn't need to be inserted too deep to get a good reading.

I like instant read kitchen thermometers, like what the food service industry uses.

the lab thermo changes because water often is not a consistent temperature. if you read up on fluid thermodynamics it'll shed some light as to why water temperatures get stratified.

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Old 07-17-2008, 03:10 AM   #3
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Stir the grain well just before the reading (burner off). The temp should be the same anywhere in the mash.

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Old 07-17-2008, 05:12 PM   #4
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WBC hit it on the head. I broke my glass thermo while using it to stir 7 pounds of grain. Now i use a big wooden spoon to stir for a good 20 seconds before the instant read thermo his the mash. works like a charm.

and the guy at my LHBS said not to worry about the glass shards, they'll all settle down in the primary. haven't cut my throat yet

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