Hmm, I added live rock which had been in my sump and that is what it is growing on. Did you just go to the beach and get the sand or buy it from somewhere?This is what my chrysophyte looked like in tank, when I sucked it out, and under the microscope. @taricha helped me ID this stuff.
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what I tried:
-try and keep NO3@10 and [email protected], but new tank was using up nutrients so needed to dose often.
-suctioning it out daily for weeks: it grew back by next day though.
-adding bottled bacteria: Microbacter7, ZEObac, waste away: no difference.
-fluconazole: seemed to grow less, but did not get rid of it.
-fluconazole + vibrant + nutrients at above level: tank had more good days than bad days.
-Added some live rock (with critters and microbes) and live sand(not the bag from store, but the stinky stuff directly from the ocean): Chryso now seems to be gone.
-I am still dosing nutrients so they don’t return.