How well would a home made carbon filter work?Nirvana seeds...diesel ryder, lowryder and short ryder all grow small fat plants. I am growing some short ryder right now. It stinks really bad and it just showed its pistils about a week ago, so I don't know what to tell you about the odor problem. There are ways to make a cheap carbon filter from materials from walmart to use with your ventilation that will help with the odor. Google it.