Something Like an eggs in the live rocks

[edrosales]

Hello,

This morning i saw something on the rocks like an eggs. Can anybody tell me what it that?

The Parameters in my aquarium are:

PH: 8.1
KH: 9
Ca: 360
Mg: 1100 (low)
Nitrate: 0
Phosphates: 0
Salinity: 35 ppt

 

[Vinny Kreyling]

Looks like Pineapple sponges.