I have a light+cooling question.

So I built a 6x6 grow tent in my yard. I was finally able to get a light I needed. Which is a 600watt hps light. . I was wondering if I need a fan pointing directly at the light? Or if a fan in there on the floor is fine?
 
Run it and check your temps. Our setup has one fan blowing directly on the bulb, 1000watt, and one oscillating fan blowing over the canopy. 600 watt will generate less heat so the fan on the floor may be enough.
 
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