Hi, Ashleigh!!! Welcome to our group!
First thing I would do is to take the phalaenopsis out the glass square (I bought one myself and took it out as soon as I got home...) and repot. Posting a picture of the plant will be very helpful!
Also here is something that I think will be very helpful!
How to Repot a Phalaenopsis Orchid | River Valley Orchidworks