Ok I am Baffled… I have been looking for answers for these questions for a month now and everyone says something different. I have a 90gl All-Glass Aquarium that is not drilled and I plan on drilling the back glass because the back is not tempered and the bottom is.
First off… How many Bulkheads do I need for my overflow and what size… would one bulkhead be enough for the overflow or should I have 2? If I do 2 overflow bulkheads for draining to my sump then where would I put the 2, one in each corner or both in the middle? Then I need to know what size of bulkhead to or heads to put in? I was thinking 1” bulkhead with 1 – ¼ durso standpipe… Don’t know if I will get enough GPH though.
That brings me to my next problem… Where do I Drill? At the bottom of the back or at the top of the back like 3” down from the top? Would either be better?
I plan on Making the overflow internal box out of black Plexiglas, and cutting the top so it has teeth… is this correct thinking?
And last question that I am stuck on is my return… I know that the size of the return depends on the pump that you get or have. Should I drill that as well? I think it would look better if it were drilled than not drilled. But if I am drilling 2 holes for overflow it might not be the best to drill another hole in the back of the glass for stability wise….
My thought is that if I have one bulkhead for the overflow then I can have the return drilled… otherwise my return cannot be drilled…
Hope I get some good input because I need it
First off… How many Bulkheads do I need for my overflow and what size… would one bulkhead be enough for the overflow or should I have 2? If I do 2 overflow bulkheads for draining to my sump then where would I put the 2, one in each corner or both in the middle? Then I need to know what size of bulkhead to or heads to put in? I was thinking 1” bulkhead with 1 – ¼ durso standpipe… Don’t know if I will get enough GPH though.
That brings me to my next problem… Where do I Drill? At the bottom of the back or at the top of the back like 3” down from the top? Would either be better?
I plan on Making the overflow internal box out of black Plexiglas, and cutting the top so it has teeth… is this correct thinking?
And last question that I am stuck on is my return… I know that the size of the return depends on the pump that you get or have. Should I drill that as well? I think it would look better if it were drilled than not drilled. But if I am drilling 2 holes for overflow it might not be the best to drill another hole in the back of the glass for stability wise….
My thought is that if I have one bulkhead for the overflow then I can have the return drilled… otherwise my return cannot be drilled…
Hope I get some good input because I need it
