08-17-2005, 03:19 AM
|
 |
Member
|
|
|
Join Date: May 2002
Location: edmonton
Posts: 168
|
|
There's a bunch of calculators on RC for this:
Head loss calculator:
http://www.reefcentral.com/calc/hlc2.php
Drain/overflow size calculator:
http://www.reefcentral.com/calc/drain.php
__________________
Rory
|