Floor support??
			 
			 
			
		
		
		
		I don't see it being a problem Brad.  It definately won't go through the floor but you may get it leaning forward slightly; you could always shim slightly in advance.  What is underneath the tank?  Would installing bracing support be inconvenient? 
		
	
		
		
		
		
		
	
		
		
	
	
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