I am new to this site, so please do excuse me if I have done this wrong! I just have a few questions regarding my bonsai. I'm not exactly sure what type of bonsai it is ... but I'm sure that its an indoor one! I believe its 2yrs old, however I have only had it for just over half a year now and have been watering it 1-2 times a week since. I water it by submerging the dish into water for 10 minutes, and I place it by the window sill where it gets some sun (when we're lucky over here in London)

Recently, patches of white mould or fungus has been growing on the moss and bottom part of the bonsai tree though

Any advice or suggestions would be very much appreciated!
Thanks and look forward to hearing from you guys!
