yeah. I guess a year or so ago the company All-Glass hired an independent research company to test overflow placement.
Found that not exact center but off to the side a little seems to yield the best results.
I think I'm going to aim to have the hole no more than 1/2" away from the tank rim.
I'm looking at the saws on the Glass-Holes.com site.
Is there a place that anyone else uses that has good saws?
Otherwise these look to be sufficient.
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