White Stuff growing on my power heads and Rock good or bad?

[rsinanan415]

Will post pics ASAP
It's a 90 gallon tank
Sump
Coralife skimmer
Fowlr tank
About 100 lbs of rock(I think)

 

[thirty5]

Without pics or a much better descrip there is no way that anyone can give you an answer. Try to get a decent picture, or at least explain what "white stuff" is

 

[rsinanan415]

pics posted, they look like miniture worms cause they are moving with the flow

 

[rsinanan415]

Idk how to get the images larger

 

[Tonyscoots84]

looks like coralline algae but without a bigger and better pic cant really tell