WSM 22 Over Night Cook

Discussion in 'Charcoal Smokers' started by danbono, Sep 24, 2017.

  1. danbono

    danbono Master of the Pit OTBS Member

    Hi All I did my 1st over night cook with my WSM 22". I started at 11 pm with 3/4 bag of Weber Charcoal, it's now 9 am and the smoker is still going.
    Smoking a 3 1/2 lb butt and a 3 lb flat.
    Here is my problem I was looking to smoke at 225, nice n slow, temp right now is 279. All night long I couldn't get the temps down too 225.
    I'm using lava rocks in the water pan, got all the bottom vents closed, top vent 3/4 open..So why are my temps much higher then I wanted? Maybe next time water in the pan.

    The Weber charcoal did past the over night test as far as time goes,just have to get the temps down next time.

    Last edited: Sep 25, 2017
  2. smokinal

    smokinal Smoking Guru Staff Member Moderator OTBS Member ★ Lifetime Premier ★

    I use lava rocks in the water pan too, but I also fill it with water.

    It sounds to me like you just started with too big a fire, I can usually keep my WSM down around 210 for an all nighter.

    BUT, I have a BBQ Guru set up too.

    I would open the top vent all the way & basically shut all the bottom vents except 1, & just crack that one open.

    Also make sure if the wind is blowing that it's not blowing right at the open vent.

    Good luck!

  3. zinner

    zinner Newbie

    How many lit coals did you put in last night?

    Sent from my SM-G950U using Tapatalk
  4. garyhibbert

    garyhibbert Smoking Guru OTBS Member ★ Lifetime Premier ★

    I never thought about using lava rocks--just have my pan filled with sand. Do lava rocks heat up faster than sand?? Probably do. What about heat retention using them as a heat sink??

    With the sand I have to store it indoors during the winter. Not sure about that with lava rocks.

    Why am I asking YOU about winter???? Your biggest problem in winter is staying dry.

    Last edited: Sep 24, 2017
  5. smokinal

    smokinal Smoking Guru Staff Member Moderator OTBS Member ★ Lifetime Premier ★

    I like the lava rocks better than sand, because sand seems to get moisture in it & if you let the smoker sit for a couple of weeks without using it, you start to get mold growing on the sand. But of course that's in Florida, where if you stand in one place too long you get mildew growing on you. [​IMG]  

    Yes the lava rocks seem to work better as a heat sink than sand, and when you add water to them you get a moist environment for a few hours then the water evaporates & you can either add more water or just let it finish in a dry environment.

  6. noboundaries

    noboundaries Smoking Guru OTBS Member SMF Premier Member

    I'm a bit of a contrarian when it comes to using the top vent.  Don't mean to ruffle anyone's feathers, but I use the top vent to drop temps if I've done everything I can with the bottom vents and my controller.  You can't use the top vent at the beginning of a smoke though.  The smoke exiting the top vent has to be extremely thin blue or clear.  By clear I mean you can't see anything, but when you whiff your hand through the exhaust toward your nose you can still smell smoke. 

    Once I'm at the proper smoke stage, and I've shut down the lower vents with no results, I'll close down the top vent to about 1/4 open to drop temps.  They start coming down over the course of about a half hour.  Then when I'm at the temp I desire, I'll open it a little, say 2/3rds open, and watch the temp.  If it starts to climb again, I'll close it a little, to say 1/2 open.  As long as you are at the TBS or clear smoke stage, you won't get a stale smoke taste on your meat.  I've used this method on everything from jerky to brisket with absolutely no issues. 

    BTW, I have nothing in my water pan.  It is completely empty. 
    Last edited: Sep 24, 2017
  7. tropics

    tropics Smoking Guru SMF Premier Member

    Dan I have the 18.5" with the BBQ Guru like Al bottom vents closed,just using the Guru for air I maintain low temps fairly well.

    I had problems when I first got it,so I clamped the upper part to the base,sealed the door and lid.No water pan in mine I use a deflector 

  8. gmc2003

    gmc2003 Smoking Fanatic

    Dan I think the posts above have you covered. I never do overnight cooks because I would be waking up every hour on the hour worrying about something(my personality). Even though I know I can run it all day long without big temp swings. BTW I have the WSM 22 and only use a hand full of lit coals to get her started. All vents wide open to begin with then close two down and adjust with the third vent. If more air is needed then I open a second. I have had to use the top vent once or twice to control the temp, but that usually only happens when the wind changes direction on me and I slow to react. 
  9. danbono

    danbono Master of the Pit OTBS Member

    Hi All I only lit about 5-6 coals to get started..Gotta be air leak coming into the smoker,with "ALL" the bottom vents closed the temps kept raising. Going to order some gaskets and see if that will stop the air leaks.

    Thanks Dan

    PS I did see a couple of tiny pin holes when the bottom vents were closed, maybe start there?
  10. danbono

    danbono Master of the Pit OTBS Member

    Al , Rich What BBQ Guru do you guys have.? Will it still work if there are air leaks?

    Thanks Dan

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