Oct 6, 2024 #1 Flounder's Reef Active Member View Badges R2R App User EPRA Member My Tank Thread Joined Sep 13, 2019 Messages 455 Reaction score 170 Location Nazareth, PA Rating - 100% 1 0 0 Found these tonight while setting up a new pump anyone have any idea on what they are? Thanks guys
Oct 6, 2024 #2 ISpeakForTheSeas 7500 Club Member View Badges Excellence Award R2R App User Joined Nov 22, 2021 Messages 9,411 Reaction score 10,823 Location United States Rating - 0% 0 0 0 Serpulid feather duster worms of some variety- harmless filter-feeders.