Algae id

jp_75

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Can someone help me identify this? It’s bright green and only on my sandbed. Thx
Nitrate :7
Phosphate :0.05

FDC3A6C1-0C62-4CA8-9B5D-4705810758D4.jpeg
 

Dan_P

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Can someone help me identify this? It’s bright green and only on my sandbed. Thx
Nitrate :7
Phosphate :0.05

FDC3A6C1-0C62-4CA8-9B5D-4705810758D4.jpeg
The photo is not in focus. I can’t see any structure. If it looks like a green skin on top of the sand, cyanobacteria is my guess. If it looks like each sand grain is green, then I guess its a micro algae.
 
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jp_75

jp_75

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Now need to figure out a treatment…
 

A worm with high fashion and practical utility: Have you ever kept feather dusters in your reef aquarium?

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