Jul 3, 2022 #1 X xiaoyuliang Active Member View Badges Joined Feb 21, 2022 Messages 222 Reaction score 94 Location Houston Rating - 0% 0 0 0 Just noticed a couple of those on my front glass. What are those? Good or bad and if I need to remove those.
Just noticed a couple of those on my front glass. What are those? Good or bad and if I need to remove those.
Jul 3, 2022 #2 fishface NJ 5000 Club Member View Badges NJRC Member Hospitality Award Water Gap Reef Club MAC of SW Florida Rock Pool Reef Keepers My Tank Thread Joined Aug 27, 2019 Messages 6,603 Reaction score 30,920 Location NJ and Cape Coral, FL Rating - 0% 0 0 0 hydoid...harmless
Jul 3, 2022 #3 AydenLincoln Pufferfish lover! View Badges EPRA Member R2R Secret Santa 2023 My Tank Thread My Aquarium Showcase Joined Mar 27, 2022 Messages 5,034 Reaction score 7,442 Location Easton Rating - 100% 1 0 0 As someone else said hydroids…very common in a new less established tank and will go away with time.