Masdevallia leaf issue
Curious if anyone can offer advice on what these spots might be on my Masdevallia leaves. I thought originally that this is heat stress? I attached a photo for reference.
It appears on on Masdevallias so I think it may be an issue with my conditions and this type of orchid.
I have good airflow (several fans) and about 70-90 percent humidity with the temperature 63-75 degrees with hot days reaching 80 very infrequently.
Thank you for your advice, folks!
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