Hello! I purchased a Fukien Tea bonsai off of Amazon a few weeks ago. It began by dropping a few yellow leave which I assumed was normal. The other day I noticed 3 aphids on it which I thought was on since the plant had never seen the outside world. Also notices a few of the leaves were turning black with white spots. I took it to the tub and rinsed the hell out of the leaves. This morning I woke up and find tons of leaves covered it white spots and they easily broke off, no aphids though. I have removed as many of the leaves as I can see and read that it might be a fungus but I'm really not sure. I've included a few pictures below. Are there any products you can recommend to get rid of the mold if that is indeed what it is?

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