Lighting Adding a 150w to a 250w HID or replace it with a 400

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Greetings AFN community, this forum rocks as always, I successfully managed to finish my first autoflower grow ( don't know where to post end result pics, new on forum) with a HPS 250w in a 3 X 1.5 x 6 wardrobe with 4 autos and now I want to upgrade my cabinet with extra light, and there where the problems start... If you consider the wardrobe dimensions I could add a 150w HPS and have a better light coverage, or replace the 250w for a 400w dual ? and the thing that confused me the most... Will the heat be the same in both cases,or would I manage to handle the heat better with two weaker lights ? Will the yield be better with a single 400w ? ( and my growing technique would be scrog,the 250w is in a air cooled hood,and the 150w would be in a mini cool tube)

Thanks fellow growers :bow:
 
You will have a bit less lumens but better coverage with 2 lamps instead of one 400.
The heat will be a bit more and the power usage a bit higher with 2 lamps also, but I do not think it will be a problem with a cool tube.

Rilla.
 
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