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![]() Hi
I am wonder at how big they are ,how effective ,what do they have in them ,how are they work and or plumbed in. when are they really required Sorry i have not seen one in operation Or do i put a small tank somewhere by my sump or how do I setup. ![]() my tank is already RR
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only 25 gal & (6 bulb, t5's fixture & 30 gal sump with small fuge |