I'm thinking it might be a light problem. I added another "daylight" tube a few days ago and things seem to be looking up. I'll see if I can find some more light sources around. Is there a possibility of adding too much light? They're all relatively efficient light sources, not generating much heat or UV, but can there be too much of a good thing?
I didn't really know that the water droplet size made that much of a difference. I can't really get new sprayers so the ones I've got will have to do the job.
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