Akadama lava and pumice

Does anyone know what brands Ryan uses for his trees?
Akadama, lava, pumice

I believe I saw a pallet or two of Ibaraki brand last week. His pumice and cinder is sourced locally.

My guess is that the pumice is what is carried by Concentrates, Inc. – Organic Agricultural Professionals Since 1938 (concentratesnw.com) which is from 4-Corners Organics (wholesale only). Concentrates will ship a full pallet of bags and they have quite a few dealers that can most likely get a smaller quantity.

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If you live in the Portland metro area you can get pumice from Pro Gro in Wilsonville and the cinder from Daybreak Garden in Battleground.

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