The Power Ionizer provides swimming pools with a better quality of water, while eliminating the daily usage of harsh chemicals such as chlorine and bromine. The system chamber disperses natural minerals into the water, such as copper and silver, that act as natural algaecides. These natural mineral levels can be easily maintained by adjusting the dial on the side of the unit. The Power Ionizer offers such advanced technology that it is truly a low maintenance system; simply set the dial, relax and enjoy your pool! The Power Ionizer System utilizes natural minerals, such as copper and silver, while eliminating the daily usage of harsh chemicals such as chlorine or bromine. By simply adjusting the dial, the natural mineral level can easily be maintained between 0.3-0.6 ppm. Traditional salt systems can cause corrosion to the steel wall on top rails. More and more, pool manufacturers will not warranty a pool that uses a traditional salt system. The Power Ionizer System utilizes a minimal amount of salt in a unique way; simply to kick-start the process and then allows natural minerals to take over. This process is environmentally friendly and safe for your pool. There are also a few simple chemicals that help keep your pool sparkling clear!