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You definitely do not want to control the flow rate back to the sump. You will overflow your aquarium. The ball value would go after the pump on the...
I also have the same problem with a thin layer of green algae that I have to clean off every other day. I use my own RO/DI water. The MH runs for 8...
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thanks for the warm welcome & quick reply. I was thinking the same thing about put the actinic on 1 hour befor the MH and left them on 1 hour after....
I have a 120 gal which I just upgraded from 4 VHO to two 6,500K Iwasaki 250 W Metal Halides + two URI Super Actinic Fluorescent Bulbs. My questions...
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