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KMB
08/17/2006, 09:00 PM
How many gph can two 1.5in overflow drains handle

or 2 1 inch oveflow handle

Gary Majchrzak
08/17/2006, 09:12 PM
RC drain calc:
http://www.reefcentral.com/calc/drain.php

KMB
08/17/2006, 09:21 PM
thank you gary!!!!!

Gary Majchrzak
08/17/2006, 09:25 PM
:thumbsup:
good luck with the new 300!

KMB
08/17/2006, 09:47 PM
thank you gary!!!!!