[House of Darts]

Call a chemical supplier. Guessing on a concentration is not good. You are talking some real chemistry here. Over concentrated solutions are a pain to remove. Its not just a water rinse. You can force caustic salts into the pore of the metal and it will leach out over time, like into your cooling system or oil. Knowing the capacity of your tank and what you want to accomplish, i.e. degreasing, will allow the supplier to give you the concentrations and other tips. Depending upon how much you have in the tank, you may want a lid and an exhaust fan The warm mist travels thru the shop and contaminates everything Not being an alarmist, but good knowledge and safety goes a long way. Its simple when you get to know the works.SAFETY FIRST!