| "An analysis of the hydraulic ram" | Frederick Philip Selwyn, , "Fluid pressure amplifier", U |
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| 6,206,041 filed: 2 April 1997; issued: 27 March 2001 | Without water, your plants are bound to die in several hours |
| 5 35X35X25 FS-007 7 0 | |
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| But as you may have guessed, a more efficient water pump tends to be more expensive, but it will be more durable | Some will be more powerful and efficient than the others |
See, for example: The Annals of Philosophy, 7 41 : 405 May 1816.
9| Journal of Fluids Engineering: 191—196 | President James Madison, September 9, 1808 |
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| Philosophical Transactions of the Royal Society | Pre-filter screen handles large particles require less maintenance |
When you cannot get plant roots to come into contact with the water like the classic Deep Water Culture, you have to use a pump to flow water to your plants.