Lukus

Recipes 

I did my second all-grain over the weekend and while cleaning out my Mash tun I noticed the liner in my 10 gal rubbermaid cooler warped. I did a search and looks like a few other people had this problem also. I figure as long as it doesn't crack it should be fine, are there any other concerns with it warping? I'm a little disappointed that my new shiny cooler warped.

Dog House Brew

Recipes 

I had the same problem with mine, I switched to a 100qt extreme and haven't had a problem after 5 batches. I wouldn't there would be a problem, I just worried about what it could leach if it were hot enough to deform.

slimer

Recipes 

I have a slight warp on mine as well. No problems 9 batches later.

Anthony_Lopez

Recipes 

I have a huge warp in the wall of my cooler. Ya, it did effect my volume a small amount, but whatever...

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SenorWanderer

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i've got a couple warps in the side of my 10gal round cooler. it seems that this happens to round coolers more often. i've noticed that this kind of plastic hardens quite a bit when exposed to heat from a flame. i've been thinking about building a new 10g mashtun and was thinking about taking my blow torch to the inside walls a bit to harden it up. might also be asking for trouble!

Lukus

Recipes 

I guess a little warping is a small sacrifice for good beer.

TerryWendel

Recipes 

The second time I used my 15gal Rubbermaid cooler I heard a lot of cracking noises. But noticed nothing when I took the grain out. I think the inside insulation was cracking. The walls didn't warp or anything. I've used it a few times since then.

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PipeDreams Brewery
Primary: Bipolar Squirrel Nut Brown, No Oats Oatmeal Stout
Secondary: Nada.
Bottled: Scottish 60/, Aunt Gingers XMas Ale, No Play I.P.A.
Kegged: Still dreaming.

"I have a right to nothing which another has a right to take away." - Thomas Jefferson

Gumbys_Brew

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i do believe it is the insulation because i've had coolers and insulated coffee containers do this as well with hot liquid as well as cold liquid

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TerryWendel

Recipes 

Ah. I'm glad it hasn't lost any of it's insulating properties. Works just as marvelous as the first time around.

__________________
PipeDreams Brewery
Primary: Bipolar Squirrel Nut Brown, No Oats Oatmeal Stout
Secondary: Nada.
Bottled: Scottish 60/, Aunt Gingers XMas Ale, No Play I.P.A.
Kegged: Still dreaming.

"I have a right to nothing which another has a right to take away." - Thomas Jefferson

humann_brewing

Recipes 

My 10G round cooler warped and got one bulge after 2 brews and another after the 4th, but is still doing a great job of not leaking and holding that mash temp for 60 minutes.