Aug 4, 2019 #1 thiagoetto New Member View Badges Joined Aug 4, 2019 Messages 19 Reaction score 4 Location Brazil Rating - 0% 0 0 0 It appeared in my sump. Does anyone know what it is? Should I worry about it?
Aug 4, 2019 #2 Tahoe61 10K Club member View Badges Excellence Award Moderator Emeritus Joined Mar 2, 2012 Messages 13,239 Reaction score 15,708 Location AZ Rating - 0% 0 0 0 Hydroid Jellyfish, seen in newer systems, eventually the population disappears. They are harmless.
Aug 4, 2019 #3 OP OP thiagoetto New Member View Badges Joined Aug 4, 2019 Messages 19 Reaction score 4 Location Brazil Rating - 0% 0 0 0 That makes sense... my tank has 3 months old! Thanks a lot! Cheers
