Not the top part. The stone goes down in the bowl. You can use a other things like a volcano pad, mesh, or even several screens. I found the stone works best is all.So your putting spice on the top of the stone in the insert?
I bought all that stuff many years ago and the website I purchased the stone from is no longer around. I found one that may work, although I am unsure if it fits in the GVG. Check out this website for reference. -> Replacement Vapor Stone by Health Stone Glass
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