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Old 11-06-2012, 03:21 PM   #1
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Default Brew kettle question

I'm thinking of stepping up from extract kits to BIAB so I've been looking at SS brew kettles. My question is about the thickness of the steel.

I found a used (1 year) 40qt. on CL, and it's 1.2mm on the sides and 5mm on the bottom. Seller wants $160 for it. It has weld-less fittings.

I found a new one online with welded fittings, but it's 1mm wall/bottom thickness. It's $150 including shipping.

Which one would be the better deal? Does the thickness make that much of a difference?

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Old 11-06-2012, 05:50 PM   #2
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It might make a little bit of difference. The most prominent issue is that thinner metals will dent more easily, both in shipping/storage and in general use. Also, since you're interested in drilling holes in it, the thicker metal will hold up a bit better during the process. Both the 1mm and 1.2mm will do fine for both, though. Technically, you can weld 1mm, so even that's not a major consideration. I'd probably choose the used 1.2mm, depending on condition.

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Old 11-06-2012, 05:57 PM   #3
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Thicker walls will also hold heat better for your mash. I use a 16 quart pressure canner. I turn the heat off 2 degrees shy of the target mash temp and it comes up to the temperature just from the heat in the walls and holds temperature for 60 minutes. I would not recommended a 40qt pot unless you are getting a high power burner to go with it. Most stoves will take a very long time to get 40 quarts up to temperature, and you are not going to be able to boil with the lid off.

This is the one I use:
http://www.walmart.com/ip/Presto-16-...Canner/5913467

I brew beer with it. My wife cans jam with it. Win win.

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Old 11-06-2012, 06:01 PM   #4
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Thanks for the help guys. Both kettles already have the fitting mounted on the kettles, so no drilling or welding needed.

So if I want to go the BIAB route, what size kettle would be best?

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Old 11-06-2012, 06:09 PM   #5
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16 quarts works fine for BIAB for me, but batch size is limited to 3.5 gallons and 10 lbs of grain. 5 gallon batches have to be toped off. If it's over 1.05 and 5 gallons of means supplementing with extract. Most of what i do are full boil 3 gallon up to 1.08 starting gravity.

However, if you have the money, and space you might want to go for the massive pot and the burner. Eapecialy if you can only brew once a month or less. I just prefer to brew less beer more often.

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Old 11-06-2012, 06:37 PM   #6
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So a good 30-36 quart turkey fryer would ok? I like doing 5 gallon batches, but I haven't thought about doing a 3 gallon batch.

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Old 11-06-2012, 07:00 PM   #7
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I use a 30 qt turkey fryer and do 5 gallon batches BIAB in it. Works fine for medium gravity beers but a high gravity beer would have too much grain for a full volume mash.

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Old 11-06-2012, 07:12 PM   #8
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I would go with the kettle you found on CL that has the 5mm bottom. That is one of the pots that has the aluminum clad sandwiched between stainless steel. That is good for heat distribution and helps to prevent scorching on the bottom. I would go for that one.

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Old 11-06-2012, 07:15 PM   #9
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Guess I need to start looking for a 36qt turkey fryer. Thanks guys.

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Old 11-06-2012, 09:41 PM   #10
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Quote:
Originally Posted by LansingX View Post
I would go with the kettle you found on CL that has the 5mm bottom. That is one of the pots that has the aluminum clad sandwiched between stainless steel. That is good for heat distribution and helps to prevent scorching on the bottom. I would go for that one.
That's what I have been reading. And I'm finding that a bigger kettle is better for BIAB. Looks like I will have to get a burner as well as a kettle.
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