white disk

udadiver

Reefing newb
There are these white disk a little less than the diameter of a dime. They are attached to the corner of the aquarium like stacked right above of each other in a column. Does anyone know what these are and are they harmful?
 
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Those are definitely eggs and I believe they are probably from some kind of snail.

I found a forum where someone had a problem similar to yours here:

Possible Eggs???

And aparentely those eggs are some kind of conch eggs from a snails

conchFs

Hope you can find your answer soon. Good luck!
 
When did they show up? Was it overnight or did they start small and get larger? Almost looks like some sort of egg sacs.
The disk showed up over night....One of the conchs spent a lot of time there the day before..so i am guessing these things could be conch egg sacs???? guess we will find out one day
 
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