Orchiata is a pleasure to work with, in my opinion. I have always had to soak my bark mixes and rinse them to get rid of nasty stuff in the bark, but orchiata is good out of the bag and breaks down VERY slowly.
I use the super course + perlite/hydroton for cattleya orchids, the medium grade with perlite/hydroton for dendro's, and the fine grade with perlite and sphagnum for paphs and phals.
It's a lot more expensive, but it lasts so much longer that I can justify it.
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