if you dont have the cash to go for a carbon scrubber i done a thread thats in the faqs on odour control.but another cheap way is go to ur nearest focus or b&q and look for reosan from selden products and put that in a bowl under your oscilating fan this is a bacteria odour control fluid it will kill all the smell especialy from big bud a she doesnt stink to much,it will leave your house smelling of a sweet bubble gum smell, but follow the instructions on dilution cause this stuff if used neat will take your breath away lol best of luck mate and i love that more and more uk smokers are turning to growing there own.lets defeat the grit weed sellers and encourage all your freinds to grow their own no matter what set up they use the end results will always better than 90% of the weed on our streets.the postman.