U can not smell it in that room but air-freshers the girl friend all ways buying them. I will stand in the room and turn the lights off make sore no light is coming in only way to find out, i have all so put some seeds in as my dad get the hemp for fishing be for its cooked and they have just popped out the soil, don't know what i am going to do with them just wonted to see if it would work can get you some pic if you wont to see.