Quote:
Originally Posted by Tangster  Plants uptake CO'2 as food during the dark Hrs and when its daytime they release their waste as oxygen.. So on the reverse lighting the fuges plants give off Oxygen when the fuge is lite and the aquarium is dark and so on and so forth and the Oxygen off sets the CO'2s and keeps the P.H stable and more oxygen when the tank needs its most at night . | I knew there was a technical reason 
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80gal with live rock (35kg/70lbs), 30gal sump, refugium with live rock, chaeto and DSB, Bullet-1 skimmer, Fluidized Reactor, T5 lighting (6 tubes), 4 x Koralia 3's. |