these just appeared outta nowhere..good or bad?

AquaAdam

New member
I consider my tank to be maturing as its been up and running over a year but I've never seen this grow in the tank before. What I am talking about is the small, round, almost mushroom-like heads attached to some sort of branch growing to the right of the zoa the frag. That frag has been there for a while, but they have never appeared until now. I'm thinking they may be bad for the tank but from the research I did, I could not figure out what they are classified as. The picture was taken from my phone so it's not the greatest but if anyone knows, I'd love to know.
 

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Actually looks like grape caulerpa (C. racemosa). Can become a huge problem; I'd remove it.


I think You may be right... That's all I've found in the tank so far but from what I just read it needs to go asap...i may be buying a fox face...
 
My first thought was grape caulerpa as well. If it is in your system it is already a big problem - IMHO, much worse that bubble algae because it is much harder to get rid of. The problem is that the caulerpa will extend roots down into the rock, making eradication problematic.

Your best bet will be to remove the rock(s) from the tank, manually remove as much as possible, then carefully soak the affected areas in Hydrogen peroxide to kill off the rest. If you are careful you will cause minimal damage to the zoanthids. I would use a small syringe (salifert 1ml with tip) to apply the H2O2. Allow it to soak on/into the rock for 5-10 minutes, then rinse in tank water and return the rock to your display. The zoanthids might get a little po'd but they'll recover just fine from the "low tide"
 
Thanks for the reply billdogg. Im going to get some peroxide and try that. I still find it weird the caulerpa came out of of nowhere and I've had the rock since the beginning but, perhaps it was on the rock the whole time just dormant?
 
My first thought was grape caulerpa as well. If it is in your system it is already a big problem - IMHO, much worse that bubble algae because it is much harder to get rid of. The problem is that the caulerpa will extend roots down into the rock, making eradication problematic.

Your best bet will be to remove the rock(s) from the tank, manually remove as much as possible, then carefully soak the affected areas in Hydrogen peroxide to kill off the rest. If you are careful you will cause minimal damage to the zoanthids. I would use a small syringe (salifert 1ml with tip) to apply the H2O2. Allow it to soak on/into the rock for 5-10 minutes, then rinse in tank water and return the rock to your display. The zoanthids might get a little po'd but they'll recover just fine from the "low tide"

+1

Did this to some LR I bought from someone. It didn't show up until 6 months after it had been in my tank. Little peroxide bath, some manual removal, and I haven't seen any since.
 
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