FOAMER TRAINING Foam concentrate is a biodegradable, fluorine-free foam designed for fire academy training. FOAMER BRAND Training Foam concentrate reduces cost and environmental impact compared to AFFF. FOAMER BRAND Training Foam concentrate 3 percent is a non-toxic, environment-friendly, biodegradable clear liquid with no stratification or turbidity. It represents a major advancement in foam technology for extinguishing class A and B fires as low and medium expansion foam. FOAMER BRAND Training Foam comes in 1%, 3%, and 6% concentrations.