 Re: Shortening an aquarium
It's all good in writing. But the moment you are about to "tap" on the scored glass you will see that you really, really think this was a dumb idea.
The moment after you "tap" on the glass all doubt will disappear. Until you last day you will remember this as a dumb idea accompanied with the usual "What was I thinking?"
But life is to be lived and in some countries your tank is not the only one you will ever have. To make the most of the experience I suggest you use a brand new razor blade and run it between every glass corner where there is silicone. Meaning separate the glass.
Then the hard part begins - to have a perfect cut you need to score a line without your hand wiggling even a little bit. Unless you are a professional glazier your hand will wiggle a tiny bit. You won't even know your hand wiggled. That is where later the glass will break funky. | 
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