It's made to cool large stock pots of soup down to fridge temps for storage so bacteria doesn't colonize it while it's sitting and cooling. You fill it with water, freeze it and then just stir. Seems like you could just starsan it.
I wonder how they'd work to cool wort. If I remember right, they said they can be used once the liquid you're cooling is below 190F. Could be a great way to cool wort if you're worried about wasting water or if your tap water doesn't get cold enough. It's supposed to be able to get a big stock pot of soup down below 41F "in minutes".
I bought a new kettle that's too big to fit in my sink and I wasn't looking forward to messing with a chiller. I might pick one of these up before my next brew and see how it works.
Anyone try use of these before? And if not, anyone interested in a review if I do?
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The company that makes them make some other cool stuff that might be useful to brewers. Moisture control in your keezer anyone? San Jamar - Smart | Safe | Sanitary
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Wouldn't have the same mass and wouldn't have the big handle so you'd be trying to hold the neck of the bottle when you stir. With a deep kettle, you can get it all through the wort, not just at the surface too.
That's what makes this interesting. It's like a big frozen mash paddle that you stir your wort with to cool it down fast.
For 20 bucks, I think it's worth a try.
Plus, I don't know how a frozen pop bottle would do at 190F.
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"Science + beer = good!"
-Adam Savage