Liquid Refill for SmokeGENIE & NINJA Generates 200-240 minutes of total spray time on default power mode using the SmokeGENIE. A 100 ml bottle provides up to 3 hours of fog on setting 1 and approximately 2 hours on setting 3. Made from food-safe vegetable glycerin and propylene glycol, this eco-friendly fog fluid is suitable for indoor use by both humans and animals. The fluid has a 100% SAFE certification from SGS. Additionally, the fog generation systems, including the machines and fluid, are whitelisted by the Actor’s Equity Association USA.