ID please

[Len13]

Anybody know what these are? Found them in my AquaC Urchin skimmer.

[Crooked Reef]

Some type of little bivalve like a clam. Filter feeder and harmless. I would put it in your sump if you have one.

[Len13]

Thanks, I'll put them in my sump.

[Viethuenese]

great for the water