Box Opened but not removed - decided not to use it after I ordered. $700-800 dollars depending on where you purchase it. The Hayward Salt & Swim ABG salt chlorinator is the perfect choice for above ground pools up to 23,000 gallons in size. Stop lugging heavy buckets and jugs of chlorine - let Salt & Swim automatically sanitize your pool, while reducing your chlorine costs by 50% or more. Choose Salt & Swim 3C for silky water that leaves hair and skin soft. Salt & Swim for Above Ground Pools Features: - For above-ground pools up to 23,000 gallons only - Reduces your chlorine costs by 50% or more - Automatically chlorinates your pool - Protects your pool from nuisance algae - Do-it-yourself installation in 15 minutes - Soft, silky water with no more red eyes or dry skin - Produces equivalent of 155 lbs. of Trichlor (chlorine)* - 120V ready - just plug it in! - No gluing of pipes required