i have heard that as well and that is a deciding factor in all this as well but yet in my current tank i have regular glass and it and have managed to scratch it as well so im hoping that if im extra careful and not use cheap scrapers  i will be abletokeep it scratch free for at leasst a year lol 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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