It is not designed for long storage of Liquid N2O, but is easily filled when you are ready to use it. GK Cryo Gun Liquid Nitrogen (LN2 : Liquid Nitrogen) Sprayer 350ml. An up-and-coming use for the GK cryo Sprayer is in the field of Molecular Gastronomy; a food science that examines the physical and chemical transformations of ingredients that occur in cooking.
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