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Redneck Fermentation Chamber
  • jlwjlw
    Posts: 16,410
    I kept getting hung up on having a fermentation chamber as either a converted chest freezer or something permanently built in place. Then I started thinking I don;t believe the chamber needs to be sealed up air tight like a freezer and why not build something I can dismantle when I don't need the chamber. So I thought of this design....

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  • jlwjlw
    Posts: 16,410
    Another pic, from the fridge end
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  • jlwjlw
    Posts: 16,410
    Looking inside
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  • jlwjlw
    Posts: 16,410
    Really simple and cheap to build. The hard foam was $18 for a whole sheet.

    The walls are 30" tall by 36" long. The width is based on the width of the outside edge of the fridge so it is 17" W. The lid is slightly wider but I figured it didn't need to be cut exact since I will tape shut. I sealed the seams up with duct tape. I didn't put a floor in it yet to see how it works with out. If it doesn't work I have one piece that will fit perfect.

    Here are all the tools and supplies you need.

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  • jlwjlw
    Posts: 16,410
    I removed the fridge door and will replace when finished so I can use the fridge for beer.

    Close up of tools..
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  • jlwjlw
    Posts: 16,410
    If I hadn't been lazy I would have used a different saw but didn't feel like getting the extension cord out and fetch the saw from 50 feet away in the shed.

    Also, I use the Ranco digital temp controller to control temps.
  • C_BC_B
    Posts: 76,323
    F me. Super genius. I like it. And just the right price too.
    "On it. I hate software." ~Cpt Snarklepants
  • FuzzyFuzzy
    Posts: 45,746
    nicely done.
    "Oh, you were serious? I was drunk."-C_B
  • C_BC_B
    Posts: 76,323
    Did you have or buy that fridge?
    "On it. I hate software." ~Cpt Snarklepants
  • C_BC_B
    Posts: 76,323
    BTW, I love your commitment to homebrewing that you put the new ferm chamber in your kid's room.
    "On it. I hate software." ~Cpt Snarklepants
  • jlwjlw
    Posts: 16,410
    The fridge is my mini beer fridge. I just took the door off. When done, I'll put the door back on and return to the beverage fridge.
  • jlwjlw
    Posts: 16,410

    BTW, I love your commitment to homebrewing that you put the new ferm chamber in your kid's room.



    ha ha. It's the spare room well kind of the dogs room.
  • jlwjlw
    Posts: 16,410
    I'l also mention this only took about an hour to make.
  • JerryJerry
    Posts: 71,128
    Well done. Did you tweak the thermostat?
    Also are you having problems with condensation? If so, use more duct tape.
  • C_BC_B
    Posts: 76,323

    Well done. Did you tweak the thermostat?
    Also are you having problems with condensation? If so, use more duct tape.



    I think he's using a Ranco.
    jlw said:

    Also, I use the Ranco digital temp controller to control temps.



    "On it. I hate software." ~Cpt Snarklepants
  • jlwjlw
    Posts: 16,410

    Well done. Did you tweak the thermostat?
    Also are you having problems with condensation? If so, use more duct tape.



    I think he's using a Ranco.
    jlw said:

    Also, I use the Ranco digital temp controller to control temps.





    Using a Johnson controller. I prefer my Ranco. I think there is a problem with the Johnson. When I move the temp cord the numbers go crazy up and down.
  • ThymThym
    Posts: 99,879
    jlw said:

    I think there is a problem with the Johnson. When I move the temp cord the numbers go crazy up and down.



    That sounds serious.
    The only thing between me and a train wreck is blind luck..... - Kenny
  • jlwjlw
    Posts: 16,410
    Lakewood said:

    jlw said:

    I think there is a problem with the Johnson. When I move the temp cord the numbers go crazy up and down.



    That sounds serious.

    Yeah, I think I will need to take it back when the fermentation is done and exchange.
  • C_BC_B
    Posts: 76,323
    Are you using ambient air temp or do you have the probe taped to the vessel or in a cup of water?
    "On it. I hate software." ~Cpt Snarklepants
  • jlwjlw
    Posts: 16,410
    I'm using ambient right now. I need another thermowell so I can get the internal temp of the beer. The controller is set at 62* so I figure the beer is fermenting around 66* to 68*
  • C_BC_B
    Posts: 76,323
    I took a couple shop rags and taped them over the probe so the probe was right next to vessel. Not as accurate as a thermowell, but pretty close I think.
    "On it. I hate software." ~Cpt Snarklepants
  • jlwjlw
    Posts: 16,410
    I'll buy another thermowell I think. It wouldn't be a problem but the thermowell is being used in the lager.
  • C_BC_B
    Posts: 76,323
    I would like to monitor temps via a thermowell, via my method and via ambient air temp throughout fermentation. Maybe even record them and compare. @Lakewood how easily can this be set up?
    "On it. I hate software." ~Cpt Snarklepants
  • ThymThym
    Posts: 99,879
    You are looking for a cheap data logger. There are diy type solutions but they arent for someone without some experience with software and electronics.
    The only thing between me and a train wreck is blind luck..... - Kenny
  • C_BC_B
    Posts: 76,323
    Sounds like a challenge. Meh.
    "On it. I hate software." ~Cpt Snarklepants
  • jlwjlw
    Posts: 16,410
    Lakewood said:

    You are looking for a cheap data logger. There are diy type solutions but they arent for someone without some experience with software and electronics.



    You could go all analog and have a digital thermometer for ambient and the temp controller with thermowell and then just write the two temps at defined periods.