Quote:
Originally Posted by SaraJean
Here’s some pics of spots on one of mine. It’s a larger Latouria species, but they all do the same thing when they are unhappy about something (water, temps, air movement, ect..). The spots are like a canary in a coal mine, lol, and they pop up quick. This plant was one that I had moved indoors a few months ago, but it was still in my “outdoor” mix, and I wasn’t watering it frequently enough. Spots popped up, a few leaves dropped, and they stopped once I got it situated. The first two pics are a front and back. The last pic is of a leaf that will eventually drop but doesn’t concern me. It’s not spreading in the sense that it is affecting other leaves or the pseudobulb, it’s just dying back
Edit: please excuse the cat hair fuzz on some of the leaves. This is the one plant that my Darla likes to rub all over 
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That is interesting. I find similarities between our leaves, thank you for posting images. It is immensely helpful to hacve a visual!
I am including some images of the spotted leaves as of this morning. You can see the new growth, too. No spots on those fresh green leaves.
The orchid came from a friend, perhaps he was unclear about the level of moisture. It already had some spots and as it got worse, I did treat with Physan 20 since much of it led me to believe to bacteria. Hopefully it was a light leaf treatment and won't harm too much... I will not repeat the treatment and will focus on keeping the moisture and humidity up. Thank you SaraJean and Estacion for this great information!