white stringy stuff

[hook]

I have a 90 gal. reef tank and while cleaning it I noticed that on the glass near the top was a long strand of white stuff with lumps attached to itWhat might this be?.. a couple of clowns,coral beauty,royal gramma,cleaner wrasse,2 blood shrimp,crabs,cerith snails,watchman goby,pistol shrimp

 

[Catpicklesdog]

Any chance of a piccie?

 

[Germanman]

was it just muck or living? and ya a pic would really help.