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Old 10-22-2008, 09:10 PM   #1
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Default Missed my Mash temp, RDWHAHB?

Supposed to mash at 154, hit 150 and now it's down to 146 with 40 minutes to go, not really any room to add any more hot water.

Meh?

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Old 10-22-2008, 09:20 PM   #2
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At 146 I'd leave it for 90 minutes to ensure conversion. Your FG will be pretty low. You could do a decoction to get the temp up where you want it.

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Old 10-22-2008, 09:21 PM   #3
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what are you mashing in? A 4 degree drop in 20 minutes is not very good. You can try a decoction to raise the temps.

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Old 10-22-2008, 09:32 PM   #4
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yup...pull out some of the liquid and boil it then add it back and stir like a mad man!

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Old 10-22-2008, 09:33 PM   #5
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what are you mashing in? A 4 degree drop in 20 minutes is not very good. You can try a decoction to raise the temps.
I mashed in at 165 or therabouts, but used hot, not boiling, to prime the mash tun.

Heating up sparge water now, 25 minutes left on the 60 min mash.

I suppose i could drain some, boil, and dump it back in and let it sit for 90...

Edit: That's what i'll do...pull the sparge up to around 200 and pull off the burner, set aside to let it cool to 168 while i do some decoctions.

Who knew i'd do Decoctions on my first AG? :P

EDIT 2: Oh, is star san safe to use bare hands with? I usually use Idophor.
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Old 10-22-2008, 09:57 PM   #6
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I mashed in at 165 or therabouts, but used hot, not boiling, to prime the mash tun.
It helps to do dry runs where you add your strike water as if you were going to dough in a batch, then record the temp loss over 15 minutes. Then on brew day you know how much over your planned strike temp you need to heat your water to account for the temp loss.

I have found preheating my cooler to be very error prone so I don't do it.

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EDIT 2: Oh, is star san safe to use bare hands with? I usually use Idophor.
Yep.
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Old 10-22-2008, 10:05 PM   #7
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Losing 4 degrees that quickly is more of an issue than missing your target temp. Figure out why your cooler is not holding the heat. I personally like to preheat with my strike water. I heat it to about 20-25 degrees about my desired mash temp and let it get down to strike temp. As it is dropping down to strike temp, it is preheating the tun...

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Old 10-22-2008, 10:11 PM   #8
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3 half gallon decoctions did it, so i'm letting it rest until about 5:20 or so. Luckily, all of my hops are pre-sorted and ready to go, so i dont think i lost too much time.

Plus, the girlfriend gets home from work in 40 minutes, perfect to help corral the cats when it's time to pitch the yeast

Trial and error, it seems. Next brew i'll shoot for 17 degrees higher or so.

Thanks guys

Edit: Also, i guess the heat loss is from leaving the mash tun outside in the cold while i did everything, plus that damned Chicago wind i keep hearing about.

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Old 10-22-2008, 10:12 PM   #9
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Trial and error, it seems. Next brew i'll shoot for 17 degrees higher or so.

Thanks guys
You got that right and you got the right attitude...
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Old 10-22-2008, 10:30 PM   #10
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You got that right and you got the right attitude...
DONATE TO ME!

:P

Anyway, just got my first runnings on the first wort hops, sparge has been stirred and is sitting, boil shall be in 15 minutes.

What a day, i need a beer
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