Any solution to hydroid problem?

I have the type in the picture above also. I have found it to match photos of hydroids know as myrionema. I have tried all sorts of things that I have read about in books. Butterfly fish, keyhole limpets, manual removal... Nothing seems to work. If you let any of the colony float away it pops up somewhere else. I have too much of it to try to cover it up or remove the rocks to be treated. I have read that the nucibranch Pteraeolidia ianthina also known as blue dragon will eat them, but where do I get one. Any help would be greatly appreciated. PLEASE HELP!
 
The only success I had was manual removal. Get a strong razorblade and dig them out. Do a little at a time so you can make sure they don't float around. Also turning off some pumps while doing this can help them float away. It will take a LOT of work and time, but it can be done.

Mine weren't as bad as yours, but they've been gone for years now.

Dan
 
<a href=showthread.php?s=&postid=8206847#post8206847 target=_blank>Originally posted</a> by stereomandan
The only success I had was manual removal. Get a strong razorblade and dig them out. Do a little at a time so you can make sure they don't float around. Also turning off some pumps while doing this can help keep them from floating away. It will take a LOT of work and time, but it can be done.

Mine weren't as bad as yours, but they've been gone for years now.

Dan
 
Here's what happens if you let them spread. :mad2:

One day I will exhaust their will to live. I swear it. :D

DSCN2495.jpg
 
<a href=showthread.php?s=&postid=8207675#post8207675 target=_blank>Originally posted</a> by Croman
I have blasted localize areas with pure vinegar. Dies within hours.

Did it affect the pH or anything when you did that?
 
i know i know...







take every piece of coral you have, toss them in a seperate tank and make sure to get every hydroid off. manual extraction with tweexers while underwater is best. then put the fish and inverts elsewhere so youre left with rock and sand and original tank. do hyposalinity for a few weeks and its solved. that is probabally the only way youre going to get rid of them....
 
as a last resort I used a medication called hydrox. It killed most of my coral and snails but took care of all the hydroids. I think the only corals that made it where a Frogspawn, mushrooms, and zoa's. The leathers, GSP, Kenya, and Xenia all melted. I would not recommend this way. I would like to hear more about the vinagar method. Last night I found a small colony in my new tank and am trying the epoxy way first.
 
<a href=showthread.php?s=&postid=8208573#post8208573 target=_blank>Originally posted</a> by drummereef
Did it affect the pH or anything when you did that?

Just blast small areas over time. Just don't point it at any corals.
 
<a href=showthread.php?s=&postid=8209310#post8209310 target=_blank>Originally posted</a> by TimTen
Drum, how did the epoxy method work for you

Haven't tried it yet. Still doing the manual extraction. I might try it in the near future though. They keep coming back. :(
 
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