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Old 08-26-2008, 11:20 PM   #1
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Talking Identifying Coralline Algae

I have some green areas growing on my live rock. It's not stringy or spreading like wild fire. However, I'm unsure about what type of algae it is. I suspect that it's green coralline algae, but how can I be sure? How do you identify coralline algae in the beginning stages of its growth? Can anyone help?
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Old 08-27-2008, 09:15 AM   #2
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The beginning stage is no different than any other stage. It's starts out as a small crusty patch and gets bigger. It doesn't evolve from another algae. It starts as a small patch and just gets bigger.
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Old 08-27-2008, 10:26 AM   #3
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Okay. However, how do you identify coralline algae versus other types of algae? Does anyone have pictures of the beginning stages of coralline algea? Does anyone have pictures of the growth stages of coralline algae? If the beginning stage is no different than any other stage of algae growth, how do you determine that it is in fact coralline algae that's growing versus some other form of algae?
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Old 08-27-2008, 10:29 AM   #4
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Check out cccapt's "images" there is a perfect example of it growing. One tip is, it's hard to scrape off.
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Old 08-27-2008, 11:26 AM   #5
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... it's hard to scrape off.
That's pretty much the defining thing for me. If it brushes off, it's not coralline.
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Old 08-27-2008, 11:33 AM   #6
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Okay. I take gather that there is no way to properly identify coralline algae in the beginning stages? Also, I'm thinking ahead to tank maintenance. Being that it's so hard to scrap off, is coralline algae something that I really want to deal with in a FOWLR tank?
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Old 08-27-2008, 11:37 AM   #7
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It's good stuff and shows a healthy tank. You can scrape it off the glass. I have found my pencil and pincushion urchins love it.
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Old 08-27-2008, 03:50 PM   #8
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...Being that it's so hard to scrap off, is coralline algae something that I really want to deal with in a FOWLR tank?
You won't have a choice. Most likely, in time, you'll have coralline algae to deal with. And it's not hard to scrape off at all.
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Old 08-27-2008, 09:14 PM   #9
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I beg to differ with you. I have to work a razor blade somf'n fierce to get it off my glass. At first you go..."Ooh pretty" but over time end up wishing you could contain it...

Case in point below

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