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Vision Lava Stone Diffuser - Dead Already?


bjunge
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Just as a suggestion, not putting any product down, Broil King has a 15" diameter baking stone 3/4" thick. I bought one last year. It's awesome for indirect. I use it in my Keg. Apparently good to about 900F. My cousin bought a Vision and cracked his lava stone in the first week. I'm sure this would make a good replacement and it's not porous. $24.99 up here so not that expensive either. I use the same stone as a diffuser in my WSM in place of the water pan. It's worth a look.

That's very good to know. My only concern would be that this is 1" wider than the vision stone. It would fit, but I'm not sure what the minimum recommended gap would be. It may still be fine, I see from the pictures that the gap around the stone on KJ is smaller than on vision so perhaps you wouldn't have any issues.

I use a 15" diameter stone as a diffuser on my vision (the KJ old-style rack and diffuser) and it works very well. It leaves about a 1" gap between the firebox and diffuser, plenty of space for air, but covers more space for indirect cooking.

Interesting. I'd need to measure mine but I would say my gap is about 1" with the vision stone. This is why I was concerned about 15", thinking 1/2" gap might be too tight.

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I've never measured it, it could be less than an inch, but it seems I can stick my index finger into it all the way around with no problem. I have never had a fire go out with this set up. In fact, I still over shoot my temp on occasion, and have to reel it back in.

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I know the Keg accessories are interchangeable with the Egg, maybe not the Vision?  I would not use it for HH cooks for sure if the clearance was less than 1 inch.  For LNS it would probably be ok but maybe it's not worth the risk?  

 

There is another accessory you might consider along the lines mentioned earlier and that is the Broil King diffuser kit.  It has a heavier duty wire rack which I think would sit on your fire ring and a fairly heavy duty porcelain pan about 2" or more in depth 14" in diameter.  The kit is around $40.00.  I have used sand in it, sometimes just alone with foil and often foiled with an air space to catch drippings.  The other advantage to this kit is you turn the rack upside down, shed the pan and put your pizza stone on it and you have a great pizza set-up.

 

I have mixed and matched accessories from other brands and it's amazing sometimes how well this works.

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  • 5 months later...

So, I have been on a quest for setting up two zone cooking on my M series and I have found a ceramic company that sell various sizes of ceramic shelves (the same equivalent to grill stones).  These stones max temps are over 2300oF. I talked with the owner and he let me know that many ceramic grill companies buy these same items from him to do the same thing, so it can be used as a heat diffuser without any problems.  This also can replace a cracked pizza stone as well.  Hope this helps anyone needing a better heat diffuser.

 

http://www.dogwoodceramics.com/product/paragon-kiln-shelves.htm

 

 

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So, I have been on a quest for setting up two zone cooking on my M series and I have found a ceramic company that sell various sizes of ceramic shelves (the same equivalent to grill stones).  These stones max temps are over 2300oF. I talked with the owner and he let me know that many ceramic grill companies buy these same items from him to do the same thing, so it can be used as a heat diffuser without any problems.  This also can replace a cracked pizza stone as well.  Hope this helps anyone needing a better heat diffuser.

 

http://www.dogwoodceramics.com/product/paragon-kiln-shelves.htm

Thanks for the info, if you buy something and try it, please let us know! I am also interesten in setting a two zone cooking!

Z

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I have been using the 12" stone as a heat deflector in my M Series for the past five months. It developed a hairline crack within about 3 months, and finally broke through completely last weekend. It's still in two large pieces, so at least it's usable.

I just purchased the Vision Grills XL model, and I'm going to be using a few fire bricks as a heat shield with it. They're super cheap and designed for 2,000 degrees.

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