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#11
May 8th, 2008, 12:25 AM
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Re: Long Spined Black Urchin
You don't NEED coralline, but coralline does serve a purpose. It is very hard for nuisance algae to establish itself on rocks that are covered in coralline. The coralline and nuisance algae compete with each other. So the better coralline coverage you have, the more rare nuisance algae outbreaks will be.
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They see me moderatin', they hatin'. Sarah 
Current Aquarium(s) Description: 240-gallon reef with a 55-gallon sump and 35-gallon refugium Experience in Saltwater & Reef Aquarium Hobby: 7 years 
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#12
May 8th, 2008, 01:41 AM
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Re: Long Spined Black Urchin
So, is the Corraline the Prple Stuff? sorry about all the questions
Current Aquarium(s) Description: 50 gallon suspended reef, Koralia #4, GSP, DSP, Candy Coral Experience in Saltwater & Reef Aquarium Hobby: Read Alot
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#13
May 8th, 2008, 06:43 AM
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Re: Long Spined Black Urchin
Yep, it's the hard purple stuff.
__________________
They see me moderatin', they hatin'. Sarah
Current Aquarium(s) Description: 240-gallon reef with a 55-gallon sump and 35-gallon refugium Experience in Saltwater & Reef Aquarium Hobby: 7 years
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#14
May 9th, 2008, 01:37 AM
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Re: Long Spined Black Urchin
i like that. no urchin for me.
 Current Aquarium(s) Description: 50 gallon suspended reef, Koralia #4, GSP, DSP, Candy Coral Experience in Saltwater & Reef Aquarium Hobby: Read Alot
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#15
May 14th, 2008, 05:29 PM
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Re: Long Spined Black Urchin
if you really like the urchins, you could possibly look into a different kind, there are many out there. Pincushion is one common type. I don't have any experience with them but I have heard that they can get quite large and sometimes knock over rocks. I have a blue tuxedo that I just got and he is really tiny, so even if he eats coralline, he's in a 75g so I don't think he'll hava a chance to eat *all* of it. Some people have said yes, they eat all your coralline, others have never noticed. One guy even told me that his really loves hair algae. It is really up to you, if you love how they look, it might be worth it. But I would reccomend looking into a blue tux.
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April 
Current Aquarium(s) Description: 75 gal with 20 gal sump/fuge Experience in Saltwater & Reef Aquarium Hobby: since Christmas Other Intrests: science, travel, snow skiing, guitar
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#16
May 15th, 2008, 01:35 AM
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Re: Long Spined Black Urchin
Ok cool thanks
Current Aquarium(s) Description: 50 gallon suspended reef, Koralia #4, GSP, DSP, Candy Coral Experience in Saltwater & Reef Aquarium Hobby: Read Alot
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