I reported 2 of this orchid (name unknown but according to sources i look up it maybe tiger orchid) and after a few month i notice some white thing on top of both orchids something like a bubble or something rounded in shape. Then i reroot the plant and found what to be a fungus infection but not sure. I found some website saying some orchid do have symbiosis relation with mycorrhizae? is this the case? I repotted one of the orchid with sphagnum moss while another i left it for another month or so. what should i do with the other? Below is the pic the orchid (the one that hvnt repotted) have been infected for more than 2 month already and still doing fine. But im worry it will infect the other orchid, anyone can help ? Oh BTW pine wood shredder and coconut residue are the medium.