Sometimes called Passive Refrigeration. It has been available for commercial coolers for awhile.
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Glass lab thermometer. Very accurate, fast reading, and costs ~$7.
You mean the dent in the fermenter? I wonder what they hit it with too.
QuoteYou have to use it and see for yourself. I like it, my wife does not.+1
I think it is about personal smell/flavor. And I really do believe the ability to detect cattiness and dankness is genetic to some degree. For me, simcoe is all cat-pee and I will avoid using it. In fact, I know of award-winning commercial beers that generously use Simcoe and I nearly gag when smelling/tasting, while the person next to me is in hop euphoria. I am not arguing with those that love the aroma and flavor. I'm sure that's what they experience. So, long story short, use your own judgement. And there are a lot of commercial beers to help with Simcoe research
We all have different thresholds for 4MMP, which is the cat pee compound. Many women are sensitive to it. I generally get pine and citrus, but if it is really skanky, I see what the wife is objecting to. Full disclaimer, I clean the cat boxes in our house.
Polysulfone is probably a very bad choice on a brew kettle.
If you bottle at 7200' and drink it at 7200' I would guess you'd be fine(with a fully attenuated beer). If you open the beer at a much lower altitude, it will likely be undercarbonated. Take it to a much higher altitude and it will gush.I suspect your porter was infected. I've opened many a sea level brewed beer well above 12,000 feet with no "Old Faithfuls."
I once had Anchor porter (sea level) at an 8000' ski resort and it shot out of that bottle like Old Faithful.