Froggys Fog - Swamp Juice&reg; (Extreme Hang Time Longest Lasting Fog Fluid) - 1 Gallon Extremely Long Lasting Fog Fluid - Water Based Fog Juice - 100% American made Remains clean, dry, and odorless. Leaves little to no residues or contamination. Designed for use with any water based fog machine Odorless, Non-irritating, Non-toxic, Non-flammable Froggys Fog only uses De-Ionized Water and Pharmaceutical Grade Chemicals, all Approved by the FDA.