The noises produced by cavitation sounds like popcorn popping. Corrosion is the gradual deterioration of a substance or material by chemical or electrochemical action which often results from exposure to moisture, chemicals, or other agents. Efficiency is the condition of being adequate in performance with a minimum of waste or effort. Electricity is the science which pertains to electric charges and currents. Electrolysis is the passage of an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes.
Energy is the ability to do work.
Erosion is the wearing away of material by physical and chemical forces. For example, storm water can erode farm lands and wind erodes dry soil and rock. A coupon is a small section of metal inserted in a water line to test for corrosion or scaling rate of a water system. Hardness refers to a characteristic of water primarily caused by calcium and magnesium salts. The Baylis curve shows the relationship between the pH and the alkalinity of the water and provides a tool for establishing chemical feed rates in order to avoid deposition and corrosion.