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Author Topic: Weird Ash After Cook  (Read 534 times)
McRoots
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« on: August 08, 2018, 11:02:27 AM »

Anyone experienced fluffy, white ash on lump after a cook?  It could also be described as white flakes.  I should note that this was fresh lump from a brand new bag before I tried to use it. Even at 500 degrees for 30 minutes, it continued to throw off foul white smoke.  I ended up cooking on the gasser instead.

I thought it could be an air floor thing but I cleaned out the ash before the cook.  Thoughts on what this could be?

https://imgur.com/a/DH0sTKV
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bamabob
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« Reply #1 on: August 08, 2018, 02:32:18 PM »

Ash doesn't look much different than what I get.
what kind of lump?  damp?

What was your previous cook?  did it provide a lot of grease dripping into the firebowl?
Unusual to get foul white smoke with a temp of 500*
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McRoots
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« Reply #2 on: August 08, 2018, 02:59:56 PM »

Ash doesn't look much different than what I get.
what kind of lump?  damp?

What was your previous cook?  did it provide a lot of grease dripping into the firebowl?
Unusual to get foul white smoke with a temp of 500*

Maple Leaf lump which I normally use.  The entire bowl was fresh batch of lump that had not been previously cooked over taken directly out of a new, un opened bag.

Just such a different experience than in the past.  Usually, it grey's over and the ash is a fine grey powder. Not white flakes. 

I thought this might be a known phenomenon.  I was thinking it might be an improperly made, bad wood, etc.
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Shawn W
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« Reply #3 on: August 09, 2018, 01:03:02 PM »

totally normal

Maple Leaf lump is maple, beech and birch. It's hardwood ... but some folks say barely. I call it 'fluffy' lump, not as dense as other hardwoods. By weight ML lump can be over twice the volume of more dense lump I've seen with my own eyes such as some of the south american blends.

Really dense hardwood lump doesn't have those air-line cracks running through it, it can look like mined coal, it's a pain to light, but done right it burns forever or super hot.
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ModernMan
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« Reply #4 on: August 09, 2018, 04:09:15 PM »

I had same whitish coating covering all over inside of my 5000 and in the ashtray earlier this year after a 9 hr butt.
I use Natures maple lump and Argentian KJ big lump (big red bag bought in the States during a Kamado Joe road show at Costco) which burns well but smells awful.
Attributed it to a coincidence...
Wiped it clean  Hasn't recurred since.
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ModernMan
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« Reply #5 on: August 09, 2018, 04:15:48 PM »

Do you use an aluminum drip tray? Perhaps a chemical reaction?
I may have done a high heat burn off following the 9 hr butt and left the alu disposable pan in... Maybe that was the cause?
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Shawn W
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« Reply #6 on: August 09, 2018, 11:05:35 PM »

guys, don't worry about that beautiful white fluffy lump ash ... the fuel burned completely, 0 waste. you can't ask for better.

those results are localized where conditions and fuel are optimal
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bamabob
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my dog can't hold her licker


« Reply #7 on: August 14, 2018, 03:44:55 PM »

What about the foul white smoke?    Ever figure that out?
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McRoots
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« Reply #8 on: August 18, 2018, 05:09:05 AM »

Thanks all.  The white smoke, after so long being so hot, was novel for sure.

I'm back from vacation and will give it another go today. 
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McRoots
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« Reply #9 on: August 20, 2018, 06:55:25 AM »

All good when I fired it up last night.  It was a much more typical experience.
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