Apr 29, 2008 #1 ryshark Aquarium Advice Addict Joined Jul 25, 2007 Messages 1,649 Location Southern California What are the gray looking sacs all over this one particular rock in my tank? They are gray with an opening. Thanks. Attachments IMG_1254.jpg 106.9 KB · Views: 67
What are the gray looking sacs all over this one particular rock in my tank? They are gray with an opening. Thanks.
Apr 29, 2008 #2 I Innovator Aquarium Advice Addict Joined Nov 18, 2006 Messages 3,462 They are sponges or sea squirts (need macro pic), filter feeders.
Apr 30, 2008 #3 melosu58 SW REEF 20+ YEARS Joined Oct 21, 2004 Messages 39,152 Location Virginia You`ll see them on here.
Apr 30, 2008 #4 K Kurt_Nelson Aquarium Advice Addict Joined Aug 30, 2006 Messages 5,340 Location Seattle-ish, WA Just a guess, but I'm thinking he meant on HERE... Xtalreef