Jun 11, 2021 #1 R Raspfs 18 New Member View Badges Joined Jun 11, 2021 Messages 6 Reaction score 1 Location US Rating - 0% 0 0 0 Good evening. This was growing in our refugium. There are 2. Any idea on what this is and if it's harmful?
Good evening. This was growing in our refugium. There are 2. Any idea on what this is and if it's harmful?
Jun 11, 2021 #2 Zer0 Active Member View Badges My Tank Thread Joined Jun 11, 2011 Messages 357 Reaction score 322 Location NJ Rating - 0% 0 0 0 Hydroid medusa. They will eventually die off on their own. They have the capability to irritate coral, but only in huge quantities really.
Hydroid medusa. They will eventually die off on their own. They have the capability to irritate coral, but only in huge quantities really.
Jun 11, 2021 #3 OP OP R Raspfs 18 New Member View Badges Joined Jun 11, 2021 Messages 6 Reaction score 1 Location US Rating - 0% 0 0 0 Zer0 said: Hydroid medusa. They will eventually die off on their own. They have the capability to irritate coral, but only in huge quantities really. Click to expand... Thanks for the quick response!
Zer0 said: Hydroid medusa. They will eventually die off on their own. They have the capability to irritate coral, but only in huge quantities really. Click to expand... Thanks for the quick response!