How I do it is I make a bong out of a waterbottle using a bong-converter I made out of a rubberstopper, a 1/2" male to 1/4"tubing adapter, its a perfect bowl, and then I drilled 2 holes in it, have... well.. I'll just draw it out.

I can pack that bowl with about 1/2 a gram and I clear the whole thing in 1 hit using a pencil blowtorch. I basically char the whole thing in 1 hit while sucking really hard. You have to have ice water or else hitting it so hard and so fast all in 1 hit will burn.

I made it with a .99 cent stopper from home depot, a 2.99 adapter from home depot, the aquarium hosing from petsmart costs like $2, have it from my hydro setup, and the ganja costs like $50 an 1/8 from my dealer (good stuff though).