alcohol & chlorine?
Very very very nice but maybe not too practical as chlorine was one of the gases used in the first world war...
Dry ice may be the way to go.
@Poppy started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Very very very nice but maybe not too practical as chlorine was one of the gases used in the first world war...
Dry ice may be the way to go.