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					Originally Posted by  don.ald
					 
				 
				what about electrical shock or something in the tank? 
			
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 I do run Titanium grounding probes in both the DT and sump. I personally don't think that is an issue as in the DT the only electrical would be the 2 Koralia #4's on the wavemaker. Otherwise the other powerheads are Vortechs, so the power is outside the tank.