Nov 20, 2018 #1 S spacepops Aquarium Advice Regular Joined Oct 22, 2018 Messages 91 I found these in my biocube when I bought used and dirty. Anybody can identify these please? Attachments 9C0C8F8A-41B5-4461-8FA4-3CC1E98A3717.jpg 153.1 KB · Views: 48 15FAB448-7928-4678-9AD5-B6D3022C6B3B.jpg 138.3 KB · Views: 64 65676F79-1940-4DDA-9426-BA104CBD33DF.jpg 129.1 KB · Views: 96
Nov 20, 2018 #2 okapizebra Aquarium Advice Addict Joined Oct 17, 2011 Messages 1,195 Location Florida Looks like snail operculums. When the snail dies those often get left behind.