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Old 04-22-2007, 06:40 PM
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Question Anyone Know What these Are
Got them growing all over just wondering what there called
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Old 04-22-2007, 06:45 PM
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hydroids, bad news.
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Old 04-22-2007, 08:54 PM
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Why
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Old 04-22-2007, 09:15 PM
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Cause they can sting the @#%& out of your other corals if they come into contact!
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Old 04-22-2007, 09:42 PM
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Take a look here, from what I hear they are a PITA to get get of.
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Old 04-22-2007, 09:53 PM
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Hydroids are bad if you have any type of coral. They multiply and spread very quickly and will sting and kill coral. If you have a fish only system they are not harmful.
They are very hardy and can be just about impossible to get rid of. I have even heard of people taking a blow torch to their rock trying to get rid of then (not recommended).
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Old 04-22-2007, 10:09 PM
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They can spread indiscriminately through the tank and they burrow into the rock so simply scraping them off doesn't get rid of them (they just grow new heads). Corals tend to do poorly if these are with them in the tank.
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Old 04-22-2007, 10:50 PM
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Get out a hammer and chisel, its the only thing I've had any success with. I am running an epoxy experiment right now (epoxied over a whole batch) but I can see a couple sticking out at the edges of the epoxy so not a grand success
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Old 04-25-2007, 04:01 AM
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Question how close
Does anyone know exactly how close they have to be to sting?
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Old 04-25-2007, 12:35 PM
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Quote:
Originally Posted by King of the Sea View Post
Got them growing all over just wondering what there called
Did they arrive with your live rock?
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