What is this growing on the dark side of my live rock??

[EricL]

So I'm starting to notice more and more of these white....errr sacks or balls that seem to only be on the underside of my live rock. None of them are where the light hits. Not sure if this is something I need to worry about or not. Any idea what it is?

 

[arthurk0722]

maybe some more photos of less blue will help

 

[jvu61]

hard to tell but they may be snail eggs

 

[duromega]

looks like sponges

 

[salpet]

take some better pictures its hard to tell without guessing

 

[EricL]

I'll take some new pictures and post as soon as possible.