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Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > Cheap & Easy 10 Gallon Rubbermaid MLT Conversion
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Old 03-01-2011, 12:25 PM   #1471
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I made a mash tun, but also a HLT using the same basic method. Unfortunately my HLT is bulging on the inside, I assume from the heat of the water. I only get that water up to around 175 degrees. My concern is that it will eventually get alot worse...anyone else having this issue? These are 10 gallon Rubbermaid coolers.

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Old 03-01-2011, 05:40 PM   #1472
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I have a 10 gallon igloo, the inside liner is distorted, but intact. If it develops any cracks, I'll junk it and make a SS mash tun.

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Old 03-01-2011, 06:10 PM   #1473
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I've used my rubbermaid once no bulges... yet, however I did pre-heat mine with hot tap water before using. I read this somewhere else, seems to work. My strike temp was 167° for a 152° mash temp. I was planning on building a sparge tank, but I really think I'm just going to continue with the 5gallon bottling bucket I currently use just because of this very reason.

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Old 03-02-2011, 02:58 AM   #1474
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Not sure if anyone has addressed it in this thread already, but I'll ask anyhow. I just bought a 5/8 nipple, and some 5/8 washers...My washers will only fit over the nipple a very little bit. Anyone have any suggestions here.

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Old 03-02-2011, 03:50 AM   #1475
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Quote:
Originally Posted by Frenchy View Post
Not sure if anyone has addressed it in this thread already, but I'll ask anyhow. I just bought a 5/8 nipple, and some 5/8 washers...My washers will only fit over the nipple a very little bit. Anyone have any suggestions here.
Is it the washer on the inside or outside that you're having trouble making fit?
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Old 03-02-2011, 03:54 AM   #1476
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Originally Posted by Frenchy View Post
Not sure if anyone has addressed it in this thread already, but I'll ask anyhow. I just bought a 5/8 nipple, and some 5/8 washers...My washers will only fit over the nipple a very little bit. Anyone have any suggestions here.

5/8" ID washer won't fit a 5/8" nipple.

You should be using 3/8" or 1/2" hardware or larger washers.
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Old 03-02-2011, 12:29 PM   #1477
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Correction...I AM using a 3/8 nipple, and a 5/8 washer, and it won't fit. It starts to fit, but then locks up on the threads of the nipple. Could this just be a poorly made washer? They came 2 to a pack, and both washers in that pack did it. I haven't opened the other packs to see if they do the same yet.

Update here. I must have bought some washers that were poorly made. I went back to Menards, and in a different area of hardware they had thick fender washers, and SS washers that fit perfectly on the 3/8 nipple.

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Old 03-02-2011, 05:53 PM   #1478
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Can I fit a 10 Gallon batch in these things? I think my issue is my sparge tank will be too small, but wanted to know what other people do

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Old 03-02-2011, 05:59 PM   #1479
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Can I fit a 10 Gallon batch in these things? I think my issue is my sparge tank will be too small, but wanted to know what other people do
Yeah, you can mash 22-26 pounds of grain depending on your water ratio. I do have to do a double batch sparge though. No biggie.
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Old 03-02-2011, 11:35 PM   #1480
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Got everything at Lowe's except the fender washers. Got a place in mind for those.

Will the nut from the original faucet work?

Definitely saving a decent amount over the $130 10 gal MLT at the LHBS.

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