Many Paphs in the section Parvisepalum and Brachypetalum would appreciate the dolomite.
Basically, many of the orchids that are found growing lithophytically on limestone or terrestrially around limestone will like dolomite.
Many of the epiphytical orchids may not appreciate it.
If by cocoa shells you mean coconut shells, the shell itself is too hard and will not retain much moisture. However, the fibrous husks do, and it is commonly used in orchid culture.
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Philip
Last edited by King_of_orchid_growing:); 05-20-2013 at 10:57 AM..
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