Supporting hobby-, institutional-, and commercial growers with quality products and solid scientific information since 1994.
[To avoid losses and damage over the Holiday rush, we have suspended shipping until January 5th.]
Below is an external links to great sites for learning more and analyzing pests diseases, viruses, etc., that can affect your orchid plants.
The folks at the St. Augustine (FL) OS have assembled a marvelous pictorial guide to all sorts of plant issues that affect orchids, and we highly recommend that you bookmark it for yourself: