Froggy's Fog Training Smoke Machine Fog Fluid generates an dense airborne fog designed to create low-visibility conditions for safe Fire and Rescue Simulated Smoke Training. This fog machine juice creates the conditions necessary for training with thermal imaging and similar technologies and is the perfect choice for creating loss of visual reference. Training Smoke fog solution is an ultra-pure formula that helps reduce wear and tear on your water-based smoke generator with its incredible efficiency. Its non-irritating formula is made with health and safety in mind.