Your kitchen uses 450 watts of lighting. How much does it cost if the lights are on for 8 hours a day, every day for a year if the local electric company charges 9 cents per kWh?
Most of the time, people use foam cannons to wash their vehicle with their pressure washer because a pressurized washer can knock dirt off better than a standard garden hose. However, if you enjoy having a car that is even cleaner than what a pressure washer can do, then you need a foam cannon.
Still, other types of foams will generate a vapour sealing film on the surface of the fuel. Additional foam concentrate types, such as medium and high expansion foams, can be used in applications requiring large volumes to flood surfaces and fill cavities within the hazard.