grow anything purple for low odor, pure indicas usually smell way less than sativa. bubba k would be great too with low odor. also keep your humidity way down. invest in a cheap humidifier and be sure to empty the water down the drain. you will be amazed at how much odor the water catches. i found a bomb LG dehumidifier off craigslist for like 50, it was 300 brand new and works perfect.