Solaxx CLG10A Saltron Retro Self Cleaning Salt Chlorine Generator with Built In Timer for Inground and Aboveground Pools Up To 20,000 Gallons. Handles Pools up to 20,000 Gallons Easy Installation on New and Existing Pools - No Plumbing Required Helps Maintain Constant Sanitizer Level Programmable Digital Timer. Chlorine Production- 0.4 pounds / day || 8 grams / hour Mere 3,000 ppm Salt to Operate