Jun 9, 2019 #1 M MT_is_a_Pisces Active Member View Badges Partner Member 2024 Joined Mar 4, 2017 Messages 349 Reaction score 361 Rating - 0% 0 0 0 What is this? Tank is almost three years old. This yellow growth is getting bigger.
Jun 9, 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 Rating - 0% 0 0 0 Look like sponge.
