Mar 21, 2020 #1 2 24/7ReeFTime Active Member View Badges My Tank Thread Joined Jun 17, 2019 Messages 212 Reaction score 160 Rating - 0% 0 0 0 I saw this on the underside of my rock today. Very small. What is it? Sponge?
Mar 21, 2020 #2 Dw79 Well-Known Member View Badges Hospitality Award Joined Nov 26, 2019 Messages 742 Reaction score 4,068 Rating - 0% 0 0 0 Looks like a sponge
