Originally Posted by edmundu

That's what I was thinking....Buying in bulk should put the price per lb, closer to $3, perhaps a little less.

I'm going to check with some gas suppliers about the process and associated costs.

On another note I thought I read that you could get away with not needing a pump if you freeze the empty bottle, then the pressure/temp delta between bottles will cause the liquid nitrous to fill the empty bottle?

Or should I just man up and buy a pump/scale kit, and then perhaps resell some of my nitrous for a little profit to offset the costs...