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Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > Insulating an Igloo Cooler
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Old 11-11-2012, 07:26 PM   #11
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It is black insulation tape.

In regards to dead space, you could also use a piece of doubled reflectex cut to just fit inside your MLT and set on top of the mash.


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Old 11-12-2012, 12:10 AM   #12
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FYI today I used saran wrap. Pain in the butt, I will try to think of an alternative, but it did reduce my temp loss from 4 to 2 degrees, and that was an hour fifteen minute mash (not intentional, had to run an errand).

I am not sure how you're suggesting using the reflectix, but the cells are open on the edges, it sounds like it would be a nasty mess to use it for this. I just threw the saran wrap away. Some kind of floating insulated disk would be perfect. I wonder if the lid to my 5 gallon cooler would fit inside the 10 gallon?


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Old 11-12-2012, 12:14 AM   #13
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Okay I found where I got the idea for the plastic wrap, this thread on overnight mashing. Worth a read!
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Old 11-12-2012, 12:42 AM   #14
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if you could put some 2L bottles filled with water in, they'd displace the mash and reduce the head space. No?
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Old 11-12-2012, 01:04 AM   #15
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Most cut styrofoam on the shape of the inside of the cooler and cover it with aluminum foil. Sanitize it, lay it atop the mash, and close it up.
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Old 11-12-2012, 01:16 AM   #16
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If i had a 10gl cooler this is what i would do. I have reflectix material on my 5gl round cooler. I use Velcro straps so it goes on easier. For the lid i dont even use it. I cut styrofoam sheet doubled to fit the opening snugly. Stick em in a plastic grocery bag and push it down onto the surface to get rid of the dead space. I still wrap a blanket around (not over) the whole bit. I lose maybe one degree if I let the cooler heat up completely before I dough in.
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Old 11-12-2012, 01:44 AM   #17
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two black yard sizes trash bags has worked here ,but socal's not that cold.
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Old 11-13-2012, 02:42 AM   #18
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Quote:
Originally Posted by Whiskey View Post
It is black insulation tape.

In regards to dead space, you could also use a piece of doubled reflectex cut to just fit inside your MLT and set on top of the mash.
I understand what you are saying, but this looks like a sanitizing/baterial mess. I don't want to add another step to my process. Insulating the lid looks like the best alternative here.
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Old 11-13-2012, 02:45 AM   #19
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Quote:
Originally Posted by dbrewski View Post
Okay I found where I got the idea for the plastic wrap, this thread on overnight mashing. Worth a read!
I have a brewing buddy who did something similar, BUT he put his mash in the oven at 150* overnight and the next morning he had a perfect mash....haven't tasted the beer yet though.
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Old 11-13-2012, 02:48 AM   #20
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Quote:
Originally Posted by william_shakes_beer View Post
if you could put some 2L bottles filled with water in, they'd displace the mash and reduce the head space. No?
Good idea, but again, this is adding more complexity to the process. I just want to insulate my cooler better but I don't want the awkward Reflectix stuff. Looking for something to permanently afix to the outside.


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