I'd ask this question directly of Ray at
Welcome to First Rays Orchids He has lots of first-hand advice regarding RO and misting and greenhouses, etc. He's an Orchid Board member of some renown.
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Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)