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Stuntman

Colonial Hydroids

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Stuntman   

Everyday I learn something new about this hobby. Today's lesson taught me about a new pest. I have a rock in my tank with a Kenya tree, 10 mushrooms and some cool zoas I have yet to identify. Unfortunately this rock is also home to several colonies of colonial hydroids. I've read Kalkaska past, lime juice, and boiling the rock are methods of removal with mixed results. I can't boil it considering I have a lot of corals on the rock. Has anyone had these in their tank and how did you eradicate them?

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TrentN   

I've heard of them not dealt with them, but from what I've read they aren't the worst pest you could have. If they aren't aggressively spreading. Also they look like a feather duster or some type of worm. So maybe a wrasse? Or maybe what I had to do with a Vermetid snail that showed up in out tank and started eating the zoas, cover it with a wad of epoxy.

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TrentN   

Yea, if you can take the rock out. I'd scrape what you can off the rock then put that wad of epoxy over the spot, That is unless someone has a better idea. Like I said I've only read a little about that pest.

 

I also read where you can make up a kalkwaser paste and apply it to them. But you gotta be careful around other critters.

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Bigdog   

I have also heard of people that cannot take the rock out covering them with super glue to kill them and stop the spreading.

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kbass   

Good luck with them Stuntman. They are a pain in the A$$. I've dealt with them in the past. If it is a small area, try scraping them off. Kalk also seems to work...use a thick paste. It will piss off your zoas, they should be fine.

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