drilling glass

Hello everyone! So I have had a saltwater tank for about four months now and I am ADDICTED!!! I have done a lot of research, but finally decided to join a forum for some live discussion. I have a few questions to start... Tank: 30 gallon with 30 lbs of live rock and about 2 inches of...

I have been reading on TRT on pumps, flow and spray bars. Now I have a headache. I am working on the plumbing for a 240 glass tank 8'x2'x2'. It has a a total of 2 drilled holes 1", located at the back corners. My tentative plan is: 1) BB/Faux with rock lifts. 2) a 24" overflow on the end...

I am moving into a new house this weekend and figure that this would be a great time to convert my AGA 50 from an HOB overflow to a Calfo overflow. I was going to use this design: http://www.beananimal.com/projects/silent-and-fail-safe-aquarium-overflow-system.aspx My problem is the...