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Old 08-04-2013, 02:29 PM   #1
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Is this Coralline Algae?

This stuff on my rock work won't siphon off or scrape off. It's purplish in color. Do you think its Coralline? Thanks!
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Old 08-04-2013, 02:41 PM   #2
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more likely cayno
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Old 08-04-2013, 02:43 PM   #3
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If it wont scrape off it's no cyano.

It does look a little more red than usual but coralline comes in many shades.
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Old 08-04-2013, 03:03 PM   #4
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how old is that tank
looks way to young to see coraline
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Old 08-04-2013, 05:54 PM   #5
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Yes,that is Coraline .Good start.
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Old 08-05-2013, 10:41 AM   #6
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Could be the purple velvet stuff.
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Old 08-05-2013, 04:21 PM   #7
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That is Coraline starting to grow,notice the green mixed in with the reds.Keep updating with pictures every week to show everyone that it is Coraline.LOL
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Old 08-06-2013, 09:15 AM   #8
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IMO, coralline seems to grow out in circles like plaques--at least in my tank, it does! It's hard to see in the pic but maybe you can see it in person?? The more you scrub it i the tank, the more it'll show up in other parts of your tank.
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