you should hold a lighter flame til its touchin the bulb where the weed is and heat it until you see a light grey vapour. thats when to stop lighting it and start sucking...inhale about half the vapours, and then wait for a bit more vapour to come in and then inhale again til its done - hit it about 10 times with about .2 always shredded never whole bud

to get the stuff out of the bulb you just unscrew the bottle cap holding the two straws/tubes

hope that helps