Yes, around 450 Gal. system , but i back up with Vertex Libra doser , for few reasons , i have to dose some extra Mag. to keep 1.325 and Alk. ( home made, baking soda) i run Calcium Reactor in idle ( low) also NOT to introduce to much CO2 in my tank. I think i may be the only one running 11 pumps + dual return , take me some time to set those pumps , NOT direct flow on corals , move water every place, i mod. the overflow , is one extra on one side , i realize most of the flow go side to side , NOT front to back, i have 2 more pumps behind Protein Skimmer , just in case some Detritus , miss the P.S. pump , in my opinion , DETRITUS is # 1 problem for reef , the faster go out , the better is. Protein Skimmer air Intake is from outside. My PH is constant to 8.12 to 8.15 , ORP close to 400 ppm.Lol got it, by the amount of corals you have you must be running a calcium Reactor, right?
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