ID please !!

[thommo75]

Guys,
Any ideas what these white fluffy things are???

Thanks
Neil

 

[Reef noob_]

i dont really know but ive had them in my sump for years and they havent hurt anything, id just leave them. probably bacteria or fungi of some sort.

 

[Sugar Magnolia]

Scypha sponges, harmless.

 

[thommo75]

Thanks magnolia. Was worried it was some nasty fungi.

Neil.