why would a one way valve on the return pipe get jammed? if you are not running a fuge the water from the sump back to the tank should theoretically not have anything that would jam the valve
This is my tank as of June 6th 2007. It was set up in January this year, and i'm still battling a bit of algae as you can see1. comments are much appreciated.
Fish-
1x Pink skunk anemonefish
1x striped goby
3x green cromis
1x Copper banded butterfly
1x hawkfish (Unsure of...