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Old 09-29-2013, 06:21 PM   #1
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What is this green stuff?

Can anyone ID this green blob? That's the most pronounced patch, though there are others in the tank (not as dark).
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20 gallon nano-reef torn down to make way for the 40B Reef (original thread and current update).
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Old 09-30-2013, 04:48 PM   #2
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Some more info:
Ammonia: 0
NitrIte: 0
NitrAte: 5
Phosphate: 0
Calcium: 420

Lights are low power LEDs (this tanks is FOWLR for now) that are on for 7hrs/day.

I haven't yet tried to remove the growth, as I don't want to encourage the spread if it's a nasty. This is on the top of my rock.
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20 gallon nano-reef torn down to make way for the 40B Reef (original thread and current update).
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Old 09-30-2013, 10:53 PM   #3
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How old is your tank? I remember about 6-8 months in seeing bright green patches like that. It eventually went away. I dont know what it was I just chalked it up to some random algae bloom.
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Old 10-01-2013, 07:17 AM   #4
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Quote:
Originally Posted by erichm20 View Post
How old is your tank? I remember about 6-8 months in seeing bright green patches like that. It eventually went away. I dont know what it was I just chalked it up to some random algae bloom.
It's going on 4 months. I have seen reports of green coralline algae...not sure if this is it though. I will try scraping it off during my next PWC.
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