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Hi everyone. I am new to the bonsai culture and recently acquired a Fukien Tea Tree. I’ve had it a little over a week or so now and repotted it once I got it. It has been continuously growing new twigs/shoots and slowly budding. Also growing some new leaves. Today I noticed a light green layer/film on the trunk and some of the branches. I am unsure what it may be and if it is harmful and/or a sign I am doing something wrong. Any advice would be greatly appreciated! I’ll post pics as well