Another ID: brown slime or diatoms?

shollis2814

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I do not see any bubbles. It has not drastically overtaken my tank, but it is sticky.
 

Wiz

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Difficult. Looks more like dinos to me. But if it has no air bubbles and does not grow at a tremendous rate then I could be wrong. The appearence is defanitly closer to dino than cyano.
 
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shollis2814

shollis2814

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Some of my zoas had this on them and I did a 5 min 4:1 3% peroxide dip and it seemed to melt off after a day or so, if that helps determine.
 
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shollis2814

shollis2814

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OK, update:
I did a 10% water change and sucked up a lot of this stuff. I stirred the bucket up a lot and poured a quart of water through a coffee filter into a jar and put it under some lights in the kitchen. After 2 hours there was no reassembly of anything, so...brown cyano?
 
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