watering

i think things ar going fine but theres no stink its a small plant so far but ive seen smaller that has stank a whole room out does a carbon filter suck anything out of the plant and how long into a plants life when it cant help but stink ive changed from a bubbler one pot cause the noise was driving me nuts at bed time ive got my missis taking the piss that what will grow will be shit is the carbon filter hiding what really is a smelly plant or should i carry on bying over priced weed can someone tell me that all you have to do is so easy that it will grow right