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Re: [APD] just out of curiosity

The Python is based on a venturi type pump originally made as a waterbed drain device. It uses the force of the hose-water tap at full flow to suck aquarium (or waterbed) water into the body of the bump and then force it out with the tap water. Inside the pump is a venturi that creates the pressure differential to suck in the water. So the whole time you are draining water from the aquarium, you have the tap running full blast -- as much as 6-12 gallons per minute of fresh tapwater going down the drain.
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----- Original Message ----
From: Eli Moss <mossy173 at gmail_com>
To: aquatic plants digest <aquatic-plants at actwin_com>
Sent: Saturday, December 31, 2005 4:50:00 PM
Subject: Re: [APD] just out of curiosity

Great, maybe I'll look into purchasing one of these gizmos.  How, exactly,
do Pythons work?  How is water waste an issue?
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