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Old 08/28/2017, 10:16 PM   #4424
taricha
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Join Date: Mar 2010
Location: NE Miss
Posts: 525
Check out post #4404 for the paper towel test referenced there.
If it is dinos, would be great to know what kind forms strings and is indifferent to 65 Watts of UV on a 90gal tank.
(We ought to also be able to devise a peroxide test to distinguish between cyano, spirulina, diatoms, and dinos, as they have radically different sensitivities to being oxidized.)

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