true, but the loss is minimal, it all depends on how much you smoke at a time

I personally like medium sized bags because its tailored to my specifications

1 Bowl lasts about 2-3 bags and I get fresh roasted herb out of 1 bowl

Revanche21 Reviewed by Revanche21 on . Improving the Volcano I just came across this blog post about making the Volcano more efficient: "During our experimentation we realized that using the bigger bag is not only easier it is also more efficient because you waste less vapor. Think about whenever you attach the Solid or Easy Valve on to the Volcano or take it them. There is always a little lost vapor; however, with the bigger bag you are taking the valve on and off the Volcano valve fewer total times per filling chamber, which maximizes your vapor by Rating: 5