There are several brands of salt systems. Goldline, Chloromatic, Pool Pilot, Auto Pilot. Chloromatic, Pool Pilot, and Auto Pilot only generate salt, some of the newer models also include the ability to turn your pool on and off for you. The Goldline Aqua Plus salt system becomes the brain for your pool. It has the ability to turn everything on and off like your pool light, automatic pool cleaner, your pool pump, and has what is called a freeze timer built into the system. It makes owning a pool very maintenance free.