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can imagine the water running back through the pump

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Old 10-26-2017, 03:45 PM
lupacexi lupacexi is offline
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Join Date: Oct 2017
Posts: 1
Default can imagine the water running back through the pump

i don't get it, yet...

i am new to this site and i have a question: first of all, please don't mind my bad english. i am from holland, you know. if i build, let's say the 11 bottle hydroponic system, and i turn on the pump and fill the system with water/nutrients, then what happens? does the water drain off just like an ebb & flow system, or does the waterlevel drop because the plants absorb it? i can imagine the water running back through the pump after it is switshed off. anybody! please answer my question! if i can figure out how this thing exactly works, i might even try to build this system myself. greetings, reynold

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Old 10-26-2017, 10:45 PM
GpsFrontier GpsFrontier is offline
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Join Date: Mar 2009
Location: Lake Havasu AZ.
Posts: 1,831

Hello lupacexi,
Yes when the pump shuts off the water drains back through the pump The pump dosen't hold pressure and there is no one way check valve in the pump. When the pump is on the only thing keeping the water from coming back is the spinning impeller, when the pump shuts off the impeller stops and the water goes right around it.

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