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#1
03-08-2010, 07:13 PM
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Ok well I don't want to run a pump for my overflow.
The pipe going down to my sump needs to be that long or it won't reach. I primed it by filleing it with water and with suction niether worked. It doesn't make any sense every other overflow I've seen on you tube works mint and for some reason mying won't. I'm just so confused this is my first overflow and I did it because I heard it was easy. Which it's not turnin out to be that way. Lol.
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GO CANUCKS GO. Woooooooooo!!!  [color=red]14gal oceanic biocube. so far i have, 1-maroon clown, 1-dark orange clown, 1-domino damsel, 1-green chromis, 4-red scarlett hermit crabs, 2-blue legged hermit crabs, 3-margarits snails.    
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#2
03-08-2010, 07:23 PM
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Can you get a siphon started at all? If you can, and it fizzles out after a bit, then chances are it's sucking air somewhere in the siphon loop. Either from the tank inlet, or the pipe connections. If the vent hole is not large enough, it may pull so hard it pulls a vortex in the tank end and sucks air that way?
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Dan Pesonen Umm, a tank or 5
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#3
03-08-2010, 08:04 PM
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i think it might be getting some air from the connections cause its not glued yet. but i finally got it to flow some water. i'm going to post a video on you tude and add the link to this page then everyone can see my issue. should have it up in the next ten mins or so stay tuned.
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GO CANUCKS GO. Woooooooooo!!! [color=red]14gal oceanic biocube. so far i have, 1-maroon clown, 1-dark orange clown, 1-domino damsel, 1-green chromis, 4-red scarlett hermit crabs, 2-blue legged hermit crabs, 3-margarits snails.
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#4
03-08-2010, 08:14 PM
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you tube
__________________
GO CANUCKS GO. Woooooooooo!!! [color=red]14gal oceanic biocube. so far i have, 1-maroon clown, 1-dark orange clown, 1-domino damsel, 1-green chromis, 4-red scarlett hermit crabs, 2-blue legged hermit crabs, 3-margarits snails.
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#5
03-08-2010, 08:33 PM
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Your vent hole is not large enouggh, Steve. The water level should only go down to the level of the pipe that your vent hole is in, Should never uncover the inlet like that. If the inlet sucks air, you will loose the siphon like how you are. keep increasing the vent hole bit by bit untill you find the diameter that works well.
It's hard to tell, but do you even have a vent just before the last 90 and the down pipe.
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Dan Pesonen Umm, a tank or 5 Last edited by banditpowdercoat; 03-08-2010 at 08:36 PM.
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#6
03-08-2010, 08:40 PM
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umm ok i'm kinda confuzed on what you mean by vent hole.. lol
__________________
GO CANUCKS GO. Woooooooooo!!! [color=red]14gal oceanic biocube. so far i have, 1-maroon clown, 1-dark orange clown, 1-domino damsel, 1-green chromis, 4-red scarlett hermit crabs, 2-blue legged hermit crabs, 3-margarits snails.
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#7
03-08-2010, 08:45 PM
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OK, refer back to the pic posted earlier in this thread.
 See the vent hole shown? this is for a siphon break. It lets air in and when the level of the tank drops below this, it lets more air in, causing the siphon i the downpipe to be lost BUT it keeps the water in the overflow pipe over the side of the tank, so when tank level rises above this vent hole level, the drain will automatically start Without it, the overflow will completely drain the tank to the intake level, where it sucks in air, just like your Youtube vid does. Start with a 1/8" diameter hole and see how it works, if still same, try 3/16" What some people do is put a piece of airline in there and a John Guest valve, and can vary the valve depending on drain requirements. But fiddlin with drillbit holes will work good too
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Dan Pesonen Umm, a tank or 5
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