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Old 07/20/2015, 02:17 AM   #1313
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Join Date: Oct 2001
Location: Iceland
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Doing a simple Google search using "cyanobacteria in a reef tank" reveals that the most common cause for cyanobacteria in reef tanks is dinos.

A lot of diatom pictures seem to be dinos as well.

Does anyone have a solid way to eyeball diatom mats from dino mats on the sandbed.

A microscope would be the best way and there could be a mix at any ratio of the two.
If fish are eating the stuff and staying alive it's sure to be diatoms.
Not to forget that diatoms stay for the night.

Last edited by DNA; 07/20/2015 at 02:49 AM.
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