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Old 08-22-2011, 07:56 PM   #1
Bodesbrew
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Seems to be a lot of topics about this! Kind of overwhelming... I was just curious about using the bag in my water cooler-style mashtun for my AG instead of right in my SS pot that I use for the boil, and then transferring the wort to the SS pot. Anybody done this?

 
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Old 08-22-2011, 08:13 PM   #2
Brek81
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i did it for a couple batches before i got a valve in my MLT, it works fine, not a lot of advantage over doing it all in the pot though

 
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Old 08-22-2011, 08:41 PM   #3
RyboFlav
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I also used to do this, and it worked fine. I only did it because there was not enough volume in my turkey fryer to fit all the water and the grain at the same time.

 
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Old 08-23-2011, 01:35 PM   #4
Bodesbrew
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Living in the Northeast I figured I would keeping my temp better in the cooler during the winter months... Thanks, folks!

 
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Old 08-23-2011, 02:27 PM   #5
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There was someone talking about this just the other day. In effect, the bag in the cooler is serving the same function as the bazooka screen or false bottom, so as long as you can make the bag sit still and use enough water to cover the grain bed, this method will work fine. After all the whole point behind the BIAB is replicating the normal mash tun cooler/pot without having to use that additional vessel.
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Old 08-23-2011, 02:46 PM   #6
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The only reason I could see doing this is to aid in cleanup or to avoid modifying the cooler at all.
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Old 08-28-2011, 07:32 PM   #7
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I was thinking about doing this for big beers that are nearly impossible to do in my pot. You wouldn't have to do anything to the cooler, as was stated so it could be a dual purpose cooler (one of the classic ways to introduce more brewing equipment! It's not just for brewing....).

I did a big stout with 18 pounds of grain in my 9 gallon pot and it was brimming over. So, I like the idea of using the bag in a cooler. I don't do full volume mashes b/c they don't fit so this would also facilitate sparging.

Did I mention the cooler is really for the family?

 
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Old 08-28-2011, 08:48 PM   #8
Cap'n Jewbeard
 
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Quote:
Originally Posted by JimTheHick View Post
You wouldn't have to do anything to the cooler, as was stated so it could be a dual purpose cooler (one of the classic ways to introduce more brewing equipment! It's not just for brewing....).

Did I mention the cooler is really for the family?
Haha, excellent, this was my exact experience today. "Look, SWMBO, a 62-qt cooler! Now we can be prepared for PARTIES and HURRICANES and brewing.

My plan is definitely to use the grain bag approach for my 5-gal brews, though I'm not sure if that will work for 10-gal batches if I ever step up to those.
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Old 08-29-2011, 01:52 AM   #9
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Quote:
Originally Posted by Bobby_M View Post
The only reason I could see doing this is to aid in cleanup or to avoid modifying the cooler at all.
I second that, I've used BIAB in the mash tun. It did make cleaning up a lot easier. just lift the bag and toss the remnants in the compost or throw it in a bucket and chuck it in the woods. A little off topic but a lot of people scoff at true BIAB brewing but essentially it's about getting sugars out of grain. If you're on a budget and/or are not inclined to build a mash tun, all you need is a paint strainer bag or some curtain and you can make excellent beers with less cleanup.

 
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Old 08-29-2011, 02:27 AM   #10
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I just did it Thursday. Only I did a 1.5 gallon batch in a 5 gallon cooler. It didn't hold the heat as long as I hoped, but did much better than my kettle would.

I'd get a 3 gallon cooler if I could find one here in the islands. Found some online for about $30 but they wanted $70 to ship it here. CRAZY!

Think I have to much head space to keep the temp up. Maybe next time I'll warm the cooler higher/longer and heat the water higher. 160* water poured over the grain cooled to 148* in one hour.
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