If you are wondering which pepper spray gives you the maximum strength potency, here is your answer. Wildfire 18% Pepper Spray. It has in some cases a full 100% more potency and strength than that of your average pepper spray. Most pepper sprays are around 10%, where as wildfire pepper spray is 18%. In a nutshell it puts attackers and assailants on the ground nearly twice as fast and for twice as long, literally. To read more or look at specific pepper sprays go to our wildfire 18% pepper spray products for sale page.