Ray wrote:

More often than not, it's the mineral deposits from hard water that have to
be removed, not just dust -- that's easy.



A friend (and very good grower) uses that CLR cleaner stuff. I suspect
the "Lime-Away" brand would work just as well. I used to use acetic
acid at about 10% concentration. I don't know how this would work on
thin leaved orchids...

Rob

--
Rob's Rules: http://www.msu.edu/~halgren
1) There is always room for one more orchid
2) There is always room for two more orchids
2a. See rule 1
3) When one has insufficient credit to purchase
more orchids, obtain more credit