6" vortex style fan and an organic carbon fiber filter should handle both cooling light and evacing air. Have 2 600w lamps being cooledby 1 6" fan and will be adding a 400w cooltube to the mix in a couple weeks. Room is 12x8x7 so use a second 6" to ventilate.
tinytoon Reviewed by tinytoon on . New Setup - Ventalation Advice I've been growing with mixed results for a while now, and I have decided to upgrade from my micro-grow (150w HPS scrog - 2 plants per DWC 5 gal bucket) to a 600w HPS (1 plant per DWC 5 gal bucket). I know I need to upgrade my ventalation situation. I have the following questions: 1. If I use an air-cooled light, what size blower would I need to ensure that the heat from the 600w is exhausted from the room? 2. If I use another fan to extract residual heat and stinky air, can I just use a Rating: 5