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Originally Posted by Hefner413
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Interesting! What is the magnification in the video? pretty high?
If so, I'm going with Amphidinium Carterae(?) I checked your thread with the tank pics here:
http://www.reefcentral.com/forums/sh....php?t=2627455 and the growth is a little fuzzier than typical amphidinium, Also the normal kind don't leave the sand so UV would be useless, but you say it's doing something.
It looks similar to some dinos I had in a small tank - see attached pic. The large ones are the typical amphidinium, but the tiny ones i think are a decent match to yours.
If they leave the sand and get killed by UV, then that's interesting new info.
If they are in fact Amphidinium Carterae, then....
this paper says they are 90% killed by 6.4 mg/L of peroxide (0.21 mL/L of our 3% h2o2) - but I couldn't replicate this result with even like 5 or 10x that dose.
This paper says they begin to self-destruct after 5 days of darkness, and are 100% dead never to return after 9 days of dark.
I haven't confirmed that either.