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					Originally Posted by fencer  Even the old style hagen 4 fts? | 
	
 None of the Hagen tanks have any tempered panels. I confirmed this on their web site faq page.
 
And here's a link to a good way of telling if you're looking at tempered glass. You need a notebook/LCD monitor or any polarized LCD screen (most of them are) and a pair of polarized sunglasses.
 
http://www.salt-city.org/showthread.php?t=9542