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 Wow, my hat is off to you. Can you please explain how you did that?
 Interestingly (to me anyhow, lol) is that I'm sort of in the same boat. I want to build a sump insert to hold a filter sock or two but the larger size. I've been stuck at the "do I go glass or do I go acrylic for this" decision point for a couple weeks. I'd prefer glass, just .. "because".
 
 Just go slow and let the sand go under the drill bit as often as possible?
 
				__________________-- Tony
 My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills.  Whee!
 
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