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The HomeBrew Forum > Beer Brewing Talk > General Beer Brewing Discussion > Aquarium heater inside fv

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Old 19-04-2017, 07:39 AM   #11
Ale
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I have a brew belt. Might be a better option as its external to the FV. Also, as it goes around near the bottom of the FV and heat rises it causes the wort to circulate a bit giving a more consistent temperature. If you have a hot aquarium heater at the top the wort it has heated will stay near it at the top. Will you be relying on the thermostat in the heater or do you have a temperature controller.
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Old 19-04-2017, 08:26 AM   #12
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Better than a builders trug is a plastic dustbin (£10.00)
A aquarium heater. If your going to use this long term, buy quality.
A cheap aquarium pump (£7.00)
A RCD circuit breaker.

Away you go.
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Old 19-04-2017, 10:39 PM   #13
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My mate gave me a vivarium heat mat which I put under the fv last night instead, but it was at 24C this morning so some insulation or partial contact is called for. Down side is I gotta adjust it for hot and cold days.

Brew fridge should be up and running this weekend.
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Old 21-04-2017, 08:45 AM   #14
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I have a brewing immersion heater bought 30 years ago from Boots. However, I stopped immersing it in the FV last year when I had an infection, MOST likely from the heater (the infection grew outwards from upon it).

Now the FV sits in one of those big rectangular plastic boxes of water and the heater goes in there.
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Old 21-04-2017, 09:10 AM   #15
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I have just started to use a aquarium heater
I put mine in the fv this is my third brew in using one
no probs so far
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Old 21-04-2017, 11:22 AM   #16
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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
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Old 21-04-2017, 03:07 PM   #17
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Quote:
Originally Posted by terrym View Post
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.
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Old 21-04-2017, 06:28 PM   #18
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I used to do it and had no problems, I swapped my fermentors for the young's ones with a screw on cap so i use a bath now, To be fair its a lot less messing around cleaning the heater.
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