Mine leak on occasion and need to be tightened sometimes. The thing is, you
don't want to crank them down too tight, or you could crack the glass. I
have seen this happen, and it's not pretty! You have some very good points.
I agree with you on the overflows. Drilling a tank without them is risky.
The best thing to do would be to get a tank with built in overflows like the
Allglass: http://www.all-glass.com/products/aquariums/twinflo.asp There
are others, but I have this one in the 125 gallon version. It has worked
out very well. FWIW
Craig
> Why don't you trust bulkheads? Did you have a problem with them or
> something?? If I was Walter, I think the first thing I would do is decide
> if in fact I wanted to drill the tank. Then, if so, I would decide if I
> wanted one main drain in the middle/back of the tank or two drains, one on
> each end. Then, I would have overflows built and would then install them
> into the tank around a standpipe. At that point it does not make a huge
> difference where you drill. If you drill on the bottom, you will get a
> little more backpressure, and thus a little faster flow and it may
> (depending on other equipment) allow you to place the tank closer to the
> wall. However, if I was not going to use overflow boxes, I probably
wouldn't
> drill either. I have seen tanks drilled high up on the back that had an
> elbow pointed up with a small standpipe and a basket on the top. That
> seemed to work okay, but could be a bit risky.
>
> IMO
> Shane C.
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