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I know there's already a forum about oder control. But, I want to throw the question out there. I'm in the process of building my grow box and I cant afford to spend anymore money. Does anyone have any ideas to keep the smell in without using a Carbon Filter? Or, does it have to be a Carbon Filter?

Well, I'm going to start on my grow box sometime during the week. And, the only question left is, how am I going to vent? I need to keep the smell in the box. But, I can't afford to spend anymore money. Is it really neccessary to use a Carbon Filter? Or, can I makeshift a filter?