Quote:
Originally Posted by silken
Welcome! I wonder if the moving air keeps the water from stagnating and the roots from rotting. I too will be curious to see how this pans out over time. Good luck!
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That is pretty much it, you can even have the water levels a little bit below the plant and the mist that is formed from the bubbles breaking the water surface tension will be enough to keep a plant happy. The roots that are submerged in water need the aeration to stay alive(plants other than orchids) mainly because the root system is not able to adept to its environment like orchid roots will.
I've had three phals in DWC for at least eight months now, and they are doing fine except for the mealies. Horrible nasty things that they are. I also have Prom. in it too.