Orchid Chips | Comments |
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ORCHID CHIPS: Styrofoam A potting mix, with specially textured surface to increase water retention, used in Great Britain, not available in the U.S.A., but polystyrene ground up in a meat-grinder and used 50/50 with bark in a potting mix produced superior growth rates. OA82-7; OA86-172 | 0 |