thanks a lot, that's nice.
Also can you show me how you connected the airline tubing to your intake? You just plug it on the assigned spot on the return pump? I don't have any pump that has such feature, what pump are you using? Also I have a aqualifter pump that I could plug to this airline tubing to syphon the air out and output the coming water back into the sump. Would that be better?
As I don't have any airline intake on my return pump, I was planning to connect my airline tubing to my intake pipe by percing a little hole and gluing the other end to it like in this design but instead it would be connected to the intake tubing: Do you thik it will do the same? The coming water from the return pump should create enough pressure to suck back any air that could get trapped in the overflow pipe, and with the check valve, it prevent the intake water from flowing back into the overflow. Do you think that will work? I got this idea from the MAME overflow which is working that way.
Quote:
Originally Posted by Reef Pilot
I posted this on a recent thread. You can add a 90 degree elbow at the end of the overflow, instead of the cap and the open end up (cut it to choose the height you want) will serve as an emergency overflow if your slots get plugged. The airline tubing attached to the intake of your return pump is essential to prevent loss of siphon and to auto start it.
Foolproof overflow. Will not lose siphon due to micro bubbles, and will auto start even after power outage. Airline tubing is connected to return pump input. And totally quiet.
I was using an undrilled tank as a refugium for a while, and made this out of 1 1/4 inch PVC. Worked great.
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