Jan 30, 2019 #1 Miami Reef 10K Club Member View Badges Excellence Award Article Contributor Hospitality Award 305 Reef Club R2R Research Joined Sep 8, 2017 Messages 12,222 Reaction score 23,039 Location Miami Beach Rating - 0% 0 0 0 I don’t know what these are, but there’s at least 4-5 of them around the tank, attached to the rocks.
I don’t know what these are, but there’s at least 4-5 of them around the tank, attached to the rocks.
Jan 30, 2019 #2 Rjukan Broken View Badges Reef Tank 365 NJRC Member My Tank Thread Joined Sep 4, 2018 Messages 1,510 Reaction score 3,112 Location Staten Island Rating - 0% 0 0 0 Looks like a type of sponge to me. Harmless and a indicator of a healthy system.
Jan 30, 2019 #3 vetteguy53081 Well known Member and monster tank lover View Badges Partner Member 2024 Excellence Award Reef Tank 365 RGB Article Contributor Tampa Bay Reef Keepers West Palm Beach Reefer Hospitality Award Ocala Reef Club Member 305 Reef Club Wisco Reefers Midwest Reefer Fish Medic MAC of SW Florida Rock Pool Reef Keepers R2R Secret Santa 2023 My Tank Thread My Aquarium Showcase Joined Aug 11, 2013 Messages 96,707 Reaction score 215,505 Location Wisconsin - Rating - 100% 15 0 0 Sponge yes and harmless and can be ornamental.