I know this is a common problem and question, but there seems to be two conflicting schools of thought on how much water and sunlight bonsais need. I've read that you cannot over water a bonsai as long as the pot has drain holes (mine does). I've also read that bonsais should not be watered daily or even every other day. I've read that 6 hours of sunlight is a lot and that it should stay outside in as much sunlight as it can absorb.
I'm a little confused as what to believe and follow. My technique had been working fine and my tree was doing great until my bonsai had a unfortunate fall from the window sill while I was at work. I don't know how this happened but it did. I have an apartment with no balcony or patio so it mainly stayed on my widow sill and on the counter at night for occasional watering. I watered it whenever the soil looked and felt dry.
When I walked in my apartment a week and half ago I noticed that the aroma of my tree wasn't present. I found it on it's side, bent, dry and all the soil was on the ground. The leaves were prickly and stuck in my hand. I re-potted the bonsai and watered it. It seems to get better for a few days and the aroma was back, but now the whole tree is yellow (only one side was yellow at the time of the fall).
Also a side note: the air conditioning had broken in my apartment and the maintenance fixed it and it was freezing when I came home, the same day the tree fell of the window sill. I know the maintenance turned the AC to FREEZE and slammed my door causing my tree to fall, but I can't prove that and it won't bring my tree back.
Help please. I want to buy some soil, fertilizer and re-pot it in one last effort to save my tree, but I'm not sure what to buy or if this will just make it worse.