Re: DIY Overflow and Sump if that illustration of yours is what it is like then yours will not keep siphon after a power outage. The way that mine is set up the t is raised so that water stays in the U-tube even after water drops before the overflow level. Its really hard to explain through typing. Your drainage point has to be higher than the bottom of the U-tube. Its the only way your water will stay in the u-tube so that when water starts again it will continue to siphon.
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-Logan
14g BioCube
1.5g Pico Tank
Survivor of a reef tank crash... and I'm still here, ya I'm addicted :)
Your Tank doesn't tell you when your finished
Your Bank account tells you when your done :)
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