I did it
			 
			 
			
		
		
		
		Hi Man, 
 
 I did this myself twice.  once on a 180 gallon, and again on a 90 gallon, both times i drained the tank down as far as i could, then just removed it. I installed my new sump, then jacked the sagging cross brace up and slid the old piece back into position, glued it and screwed it on.  
 
Although i did it multiple times, i was paranoid and having heart palpitations each time i did, so i still don't recommend it. Do it if you have no choice is my advice. 
 
Cheers! 
		
	
		
		
		
		
			
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90 gal SPS display+65 gallon mixed reef 
GEAR: Korallin calcium reactor, bio pellets, digital aquatics controller, Tunze ATO, MP40, 4 x Tunze 6105 w/controller, Reef Octopus Xp3000 ext, 2x250w MH, Futura LED.
			  
		
		
		
		
	
		
		
	
	
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