Nitrate update
After a 12 hour darkness period, (Just a normal night, except that I also turned off the refugium lighting) I still test absolute Zero ppm nitrate.
It is interesting...I refuse to believe that my heavily-fed tank, with it's large fish and hair algae...has no measurable nitrate.
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies
My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436
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