So it's a Durso setup....
Start with the valve wide open, then slowly close it to equal out the level in the sump.
There is some very good information on Durso setups here.
https://www.dursostandpipes.com/
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80G SCA Build: http://reefcentral.com/forums/showthread.php?t=2560256
Originally posted by der_wille_zur_macht:
"He's just taking his lunch to work"
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