Originally Posted by terrym
Personally I can never understand the idea of dunking an immersion heater in your beer, especially when folks seem to go to extraordinary lengths to not put anything in it from pitching to packaging. I also wonder whether heating beer local to the immersion heater is a good idea, when home brewers go to the trouble of trying to maintain a consistent temperature within the brew which for most beers is less than about 22*C.
That's why I use a water bath.
How to Set up a Water Bath for your FV - The HomeBrew Forum
Completely agree. The tip of my immersion heater gets very hot, and the production of CO2 makes the beer circulate quite a lot. There must be loads of yeast heating up and cooling down again, and I can't imagine it doing the beer any good.
FV: BB2: RyeIPA
Conditioning: BIAB16: RIS, Mild, Cider, Mead, Cyser, Melomel, 2xHBC Belgians
Drinking: NEDIPA, Bitter, Hefeweizen, Milk Stout, Perry, WineBud Sav Blanc
Drunk: Hobgob clone, DIYDog Dogma, Mild, Porter, BIPA2, Hoppy lager, Mosaic SMATH, 2 Wedding Ales, BIPA, 2xCoop. Stout (black treacle & choc. milk), honey cider, ginger beer, TC x2, berry punch, Coop. Blonde+FF7C, EvilDog, YAIPA, JB IPA, Wherry, Munt. IPA, Coop. Wheat mod, Coop. Cerveza. WOWs: blueberry, tropical.