Jul 13, 2019 #1 J Joe Stafford New Member View Badges Joined Mar 30, 2019 Messages 8 Reaction score 1 What state or country do you live in Florida Rating - 0% 0 0 0 Curious what this substance is? Its on the underside of a rock. Aquarium is roughly 4 months old.
Jul 13, 2019 #2 KJ Lone Wolf View Badges Reef Squad Leader Excellence Award ETRC Member Hospitality Award Joined Dec 14, 2011 Messages 22,319 Reaction score 113,207 Location Tennessee What state or country do you live in Tennessee Rating - 0% 0 0 0 Sponge harmless! Last edited: Jul 13, 2019
Jul 13, 2019 #3 R road_runner Valuable Member View Badges Joined Jan 6, 2017 Messages 2,325 Reaction score 2,293 What state or country do you live in California Rating - 0% 0 0 0 Look like a sponge. Its harmless..
Jul 13, 2019 #4 OP OP J Joe Stafford New Member View Badges Joined Mar 30, 2019 Messages 8 Reaction score 1 What state or country do you live in Florida Rating - 0% 0 0 0 Thank you! So obviously just leave it be if its harmless?
