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Old 04-13-2008, 02:50 AM   #18 (permalink)
Craigthor
wannabe plant guru
 
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One thing to remember alot of the NEW 55g tanks are all made of tempered glass as to reduce the thickness. I've heard about the results of trying to drill tempered glass at the local reefers meeting. NOT all 55s will be tempered but alot of them are starting to come that way.

Craig
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