Check these sticky for detailed discussion of venting considerations. This one is good: http://boards.cannabis.com/growroom-...g-hot-air.html but this one is more appropriate in terms of assessing fan needs: Noob's guide to growroom set-up. See chapter 2 for the fan discussion about half way down the first page. It gives a formula for calculating needs. And those two stickies are excellent for all kinds of setup information. Recommended reading.
bigsby Reviewed by bigsby on . New member with a few questions for the GuRu's I have a * 9x7x10 * closet that use to be a small room in my master bedroom. There are a few questions I would really like some novice/expert advice on! 1. What would be my best lighting option ? In the size of room I have would a 600w HPS light be efficient? How many plants could I grow with this amount and space? 2. What is the best way to vent a room ? My grow room will be in the front of my house. I do have an attic to vent into or would I be better off with just a product like Rating: 5