That looks awesome! I'm also curious about the stone box.
Me too. Did you contruct it? What kind of rock? How is it sealed?
Brewing since 1989 - BJCP National Rank
Fermenting: Saison Autome, Cherry Mead
Conditioning: Dortmunder Export, Belgian Dubbel, O-fest, Vienna Lager
On tap: CAP, Cider, Impy Cherry Stout, Rye Dunkel Bock, Belgian Chocolate Stout, Hopslam! Clone
Newly Bottled: Belgian Blonde, Belgian Quad