120 Gallon Propane Tank Fire Box Question

Discussion in 'Smoker Builds' started by ryson96, Apr 29, 2016.

  1. I found a 120 horizontal propane tank that i am going to purchase and im wondering what the ideal size would be for the fire box propane tank? any info would help!

  2. thesmokist

    thesmokist Meat Mopper

    There is a firebox size calculator on the site if you search for it. Probably be some more people chiming in on this
  3. joe black

    joe black Master of the Pit OTBS Member

    Welcome. I'm not a builder, but there are a couple of calculators on here that folks use for all the sizes, dimensions and other stuff. However, one thing I've learned is that the FB should be about 30% of the CC. So, I'd say around 40 gallons.

    Good luck. Go to the smoker build section and look or click on the search bar and enter your question.
  4. bdskelly

    bdskelly Master of the Pit OTBS Member SMF Premier Member


    My 150 has a 50 gal fire box. Works great! b

  5. My 120 FB is a 22" cube.

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