Sep 18, 2020 #1 Dayme Doug New Member View Badges Joined May 23, 2020 Messages 3 Reaction score 2 Rating - 0% 0 0 0 I woke up this morning to find some white sponge like substance on my live rock. Its on like 2 pieces I can easily remove if I need to. Anyone know what this is and if its harmful?
I woke up this morning to find some white sponge like substance on my live rock. Its on like 2 pieces I can easily remove if I need to. Anyone know what this is and if its harmful?
Sep 18, 2020 #2 Reefer40b Valuable Member View Badges Joined May 20, 2017 Messages 1,693 Reaction score 2,489 Location Severance, CO Rating - 0% 0 0 0 Not harmful, good, just live rock becoming more live.