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Hi people. I an looking for a fan, or to know how Many cfm i Would need to cool the lights down. 2x600w hps lights. Anyone knows ?

My inline fan is temperature controlled, mininum 20% power it runs at. The fan is 820m2 pr hour, i Think Thats about 480cfm. The tent is 1.2mx1.2mx2.5m, Thats about 4x4x8 tent. Im gonna have A 600w in there in a adjust a wing. Can you help me with what mininum % the fan should be set to...

Hello, im from Denmark, im am just getting started to growing, so am looking for some maybe Quick Answers to my questions. Hope you have the time to help. 1) when i plant the seedlings, how Much light should i use.? And should i use the full setup from the start with the air outlet and so on...