At this time I went into a Starbucks to ask for any used metallic cans and the supervisor took me to the back room and confirmed me a tall plastic container of used/spent N2O canisters (about 2-300 #'s) they hold 8 grams of whipped cream when full. I googled the canisters and found out that a box of 24 weighs 1.5 pounds. She informed me that I could have them however, not the container that they were in. I...
