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Anti-siphon hole on return line

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Abissus

New in Hobby
Joined
Feb 8, 2004
Messages
105
Location
Redmond, WA
Is it ok to have the hole above water?

My corner overflow has a water level half as much as the display tank, so if I drill a hole in the return line (the entire return line is in the overflow box) it is going to be expose to air and squirting water.

Or should I raise the water level in the overflow box?

Thanks a bunch.

Joyce
 

mojoreef

Reef Keeper
Joined
Jul 5, 2003
Messages
7,530
Location
Sumner
Joyce the easist way would be to raise the water level. You could also put som ro/di sized tubing in it and point it down to.


Mike
 

Zephrant

Engineer
Joined
Feb 13, 2004
Messages
120
Location
Spokane, WA
Actually, I like having the hole at, or above the water level. I often face the hole towards the back of the tank, so the stream of water hits the tank back and top frame, and drips back in.

You can be sure the hole is not clogged because the stream is visible. When it is fully underwater, it is not as noticeable.

Just arrange it so there is no salt spray to deal with-

Zeph
 
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