Weird green rock /pebble

Djhurtado21

New member
So a few months ago in my tank at night with my blue light on I saw this little small rock or pebble the was green glowing in my tank. I sucked it up and removed it from the tank it felt like a rock or plastic idk what it was but now I spotted another one. Does anyone might have an idea of what this is. Idk if it's an egg or something that a coral is releasing not sure.
 

Sugar Magnolia

Mother of Dachshunds
Staff member
RC Mod
A picture would definitely help. Valonia feels like a pebble. It takes some effort to squish one.
 
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