Interesting you say that - I was just scanning through old threads looking for info and saw this. I wonder if you have any tidbits based on the below:
I had planned on keeping mine as a tropical as it has been previously by the place I got it, to my knowledge, but have been running into yellowing and leaf drop which I attributed to lack of light. It was in a window, but not a very sunny one, for maybe a week. It also flat out seems to have mostly stopped going through water this week. I got it out of the tray I had it on to catch excess moisture that is there for when I do water it (which I haven't done for days now) and it's under T8 lights now.
I took the Biogold and Hanasaku I was using to feed it off of it thinking maybe it was better to let it sit without outside interference for awhile.
Do you think I'm on the right path with my approach?
Hmm it seems they love sunlight, so I think it's fair to attribute leaf drop to both the change of location and the lack of proper sunlight.
Windows filter up to 60% of usable light even though they look perfectly transparent to us. This would affect the entire tree, but the apical tips the last.
Could also be season related, as we're approaching winter right now: growth has stopped on mine since august, and it's been changing color ever since. This would affecr the entire tree at the same time, outside to inside.
It could also just be too wet. They love water, but they also seem to like dry periods. If the soil is constantly wet, I'd expect a pattern of yellowing starting from the bottom and going upwards to the apex in a matter of weeks.
Check if you can remember what kind of pattern you see/saw. It can help you find a probable cause.
