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How do hydroponics work?

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Old 02-06-2009, 04:59 AM
spun spun is offline
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Join Date: Feb 2009
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Default How do hydroponics work?

I'm a student and I am conducting an experiment. I was wondering; How do hydroponics work? How do you grow a hydroponic plant?

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Old 02-06-2009, 05:00 AM
Ron Ron is offline
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Join Date: Jan 2009
Posts: 1,285

A submersible pump comes on and pumps nutrient enriched water to plant roots that are grown in a number of inert materials as expanded clay aggregate (grow rocks), spun volcanic rock (rockwool), perlite, pores gravel, lava rock, or as with some hydroponic systems, no medium at all.

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