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The substrate recommended by the folks that distribute Amano products here in
the US is a product made of peat and pumice.  I haven't found pumice available
anywhere locally, but there are a lot of local rock and gravel places selling
lava rock.  The bottom of the lava bins are always full of fine, almost soil-
grade pieces.  Does anyone know what is the difference between pumice and lava
rock?  Would this crushed lava rock be the same stuff?  If so I could mix this
stuff with Fluval peat pellets, which I prefer for substrate to straight
garden variety sphagnum, and get the same substrate for less money (call it
Poor Man's Amano Substrate- or PMAS)

Bob Dixon