Re: [APD] Pipe work

["S. Hieber" <shieber at yahoo_com>]

Yep. Since both ends are under the water in the respective tank, the water can't empty out of either end without pulling the water out of the other tank but you have the same pressure working on both ends of the tube. Of course, both ends of  the tube must be in tanks at about the same elevation because the water level in each will be the same. Think of trying to siphon water from an aquarium into a bucket that is up as high as the aquarium -- once the water level in the aquaium and bucket are at the same elevation, no siphoning can occur, but if one is lowered, the water will siphon from the higher to the lower. This is why you can have a canister filter located above an aquarium if both ends of the tubing are below the surface. However, if you ever got even a small leak in the tube, well, that would change the situation dramatically -- which is one reason it is not recommended to place a canister above an aquarium it serves. 
 
We aquatic hobbyist rely on watertight integrity all the time. Still, I wouldn't have the tube or tanks near the better audio equipment or the flat screen, or the toaster for that matter ;-)
 
sh
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----- Original Message ----
From: Stuart Halliday <stuart at stuarthalliday_com>
To: aquatic plants digest <aquatic-plants at actwin_com>
Sent: Thursday, January 11, 2007 7:17:40 AM
Subject: [APD] Pipe work


I believe Terry Barber wrote this email section below:
> Hey this is cool!
> 
> http://knuttz.net/hosted_pages/Home-Aquarium-20061031

So what stops the water in the overhanging pipe from just emptying into either tank?

The vacuum effect?

-- 
Stuart Halliday
http://theaquariumwiki.com/
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