Quote:
Originally Posted by TheGrandPuba
How come you shouldn't have the fan blowing right on the plants? So long as they are old enough and can take it.
Wouldn't that only strengthen the stem?
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I have heard it both ways, the fan right above the canopy will help out any, as Peace seeker said, "hot spots" that can build up under the lights. But on the other hand, the more the leaves move, than the more they can soak up as much co2 as possible. Therefore growing as much as possible. So it might be better to point the fan at the plants, so all the leaves flutter.
Using a timer will work, but you should turn it on quite a bit though. As much a possible. Oscillating fans work best to simulate the wind coming and going.