Quote Originally Posted by suhl
i tried telling this to a friend awhile back saying that all it is is the same weed but you can get bigger yields cause the oxygen goes straight to the roots(i may not have been right, but i was closer than him)
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That's actually a pretty good explanation, that is easy for a nongrower to understand. A properly set up hydro system gives great oxygenation in the root zone, allowing for more efficient uptake of nutrients.