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.
-----Original Message-----
From: Neptune [SMTP:[EMAIL PROTECTED]]
Sent: Tuesday, March 06, 2001 1:58 PM
To: [EMAIL PROTECTED]
Subject: Re: Drill place
That's a good idea as well. I just don't trust bulkheads that much,
and the standpipe might be harder to conceal. It would work though.
Craig
What about a "stand-pipe" in the hole on the BOTTOM ?
The water can't go any lower than the top of the the pipe,
no matter what.
If you drill into the side of the tank for your drain, the
water MUST go
beneath the hole before it stops going to the sump, FINE if
you have a sump
that is 30% of the tank volume (but most are 10 to 20 % ) On
a large tank, a
couple of inches can be 10 or 12 gallons.\
As far as the return to the tank, you'd BETTER have a check
valve on there,
or your water is on the floor, if the power goes out.
HTH,
Tom
Reefgar Coralfarms
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