Quote Originally Posted by Chris1140 View Post
Could be just "happy sap"--meaning the plant is getting enough light to produce plenty of sugars--the extra being secreted in sugary drops on the leaves.
Happy leaves dont have those hallow tunnels like in second picture, which for some reason dissapered after application of isopropanol. You can see pictures of after treatment here:
http://www.rv-orchidworks.com/orchid...hl-leaves.html
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