Kiteloop Posted May 18, 2020 Share Posted May 18, 2020 Hi guys Manage to score a S&P TD-500 extraction fan for free from my neighbor. My grow space is 1,3m x 1,5m and 2,4m tall. By my calculations, this fan is a bit "overkill" for the space i have. Is there something as "too much extraction"? Quote Link to comment Share on other sites More sharing options...
CreX Posted May 18, 2020 Share Posted May 18, 2020 Not really... If it is a bricked area... Then you can suck the shit out of the room.... But if it is a tent then yes you can have too much extraction.... Imagine cuscking the air out of a soda can... It will crumple inwards if the supports are not strong enough. You can buy a variable resistor to adjust the extraction. Quote Link to comment Share on other sites More sharing options...
Kiteloop Posted May 18, 2020 Author Share Posted May 18, 2020 @CreX Yeah spot on. Im growing in a room in the garage so won't have a issue. Thanks for the Tip about the "Variable Resistor", going to look into that. 1 Quote Link to comment Share on other sites More sharing options...
Budwizer Posted May 28, 2020 Share Posted May 28, 2020 A variable resistor will set your house on fire. You need a variable transformer aka variac (expensive) or a triac based dimmer. Why not blow through the area. Put the fan on the intake. Pressurise the room. Negative pressure in the room will suck dust and stuff into the room. Put a filter on your intake. I run a positive pressure tent as a veg room. Walls push out, so gives me more space. The walls don’t suck in onto my plants. I’m not worried about smell. Quote Link to comment Share on other sites More sharing options...
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