Grounding Probe
			 
			 
			
		
		
		
		In addition to GFI outlets and powerbars NOT on the floor, you should use a grounding probe for safety.  For example, if your lighting unit falls into the tank while you have your hands in it, the GFI wont trip, but a grounding probe may save your life. 
 
I would also test your aquarium pretty regularly for stray current as well, to make sure any of your devices are not failing/faulty. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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