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Old 03-03-2011, 10:18 AM
Aquaria Aquaria is offline
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Default hydriods

so i have both the free swimming stick to the glass type hydriods, plus the brown rock hydriods. seeing as there is not much solid info on them, does anyone have experiance? i have been reading the glass ones are harmless
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Old 03-03-2011, 02:16 PM
vaporize vaporize is offline
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depending on where it comes from it can be harmful and VERY hard to get rid of.

I have a system that I used to have upside down jellyfish, now hydroids are everywhere tank raised upside down jellyfish LOL
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Old 03-03-2011, 09:52 PM
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I ended up boiling and baking the rock I had colonials in. I tried the regular mentions, paste, juice blah.... i even was using blow torch to burn them off every once and while but they kept coming back

The digitated ones ( long stringy things) dont seem to harm anythign in the tank so I have just left them alone.. they seem to be decreasing on their own for whatever reason.
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Old 03-04-2011, 01:10 AM
hillegom hillegom is offline
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I have tried the blow torch thing too. Worked for a while, but they come back from the same place in the rock. After I find a really big syringe I am going to try boiling water.
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Old 03-04-2011, 01:24 AM
trilinearmipmap trilinearmipmap is offline
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Fluke Tabs one capsule per 100 gallons but it will wipe out all sorties and shrimp.
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Old 03-04-2011, 05:28 PM
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Quote:
Originally Posted by trilinearmipmap View Post
Fluke Tabs one capsule per 100 gallons but it will wipe out all sorties and shrimp.
What corals will a fluke tab harm?
I have hydroids growing on the base rock of my suncoral and need to nuke them somehow.
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Last edited by Ross; 03-04-2011 at 05:55 PM.
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Old 07-13-2011, 11:52 AM
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How can you tell the difference between hydroids and brown polyps? Is there an easy way?

I think I have some hydroids. I'll take pics tomorrow when I get up (it's 4:50 am and I'm still Googling), along with dinos again and a couple of aptasia. Just shoot me now.
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Old 07-13-2011, 02:33 PM
monocus monocus is offline
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Default hydroids

i have hundreds of them.seems to have come from my brine shrimp,as they are now in my gobie breeding tank.i am now raising upside down jellyfish.my bannerfish seems to like eating them-or at least tearing them apart
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Old 07-13-2011, 03:31 PM
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I used to have the brown kind on my rocks covering everything. Every so often I'd scrape them off but they go deep into the rocks so it's difficult to control that way. You can try covering/smothering them in epoxy (you can always remove the epoxy later).

Mine started to disappear after I got a potter's angel. I have read somewhere that pygmy angels can sometimes eat them, although I never saw it happen - but something caused them to disappear. So, if a pygmy (dwarf) angel is something you wanted and can fit in your tank and you've just been waiting for the right excuse to get one - here you go.
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Old 07-16-2011, 08:46 AM
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I had an outbreak in my tank a little while back. Purchased an aiptasia eating filefish (I just like them) and the hydroids went away. I'm not sure if it's related, as i've read they can just "go away" by themselves.
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