Maybe. I would highly suggest that you allow the water to "fall" into the sump, even it's it only 1/2" fall. This will stop the back pressure. Will it totally stop your surge? Still it's only a maybe. You may still have to play with the actual flow rate into your overflow area. Between the two though, you should be able to get it pretty darn quiet with no surging, especially if you are using a durso standpipe.
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150 gal Custom. Born 5/7/07. 50gal, 29gal, 20gal Sumps. 30gal Frag Tank. ETSS 800 Skimmer, Deltec APF600 Skimmer. PFO Solaris Lighting on Display and Frag Tank
My Tank Thread
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