recently ordered some zoa frags from TEC, i got them home and all the zoas opened fine....couple days later some polyps were closed and started spewing out this long brown stringy stuff coming out of their mouths and some of the polyps had this brown film over them......anyone know whats wrong??? is this bad.....cause all the polyps were clean without any brown film over them then i came home today and some were covered with it...any input will help thanks:squigglemouth:

