Intex Krystal Clear Saltwater System with E.C.O. (Electrocatalytic Oxidation) for up to . Intex Krystal Clear Sand Filter Pump for Above Ground Pools, 16-inch, . For all residential above-ground pools up to 18,000 gallons. Suitable for new above-ground pools or retrofit. This system can be installed within 30 minutes. Keep your above ground pool water clean, soft, and refreshing with the Intex Krystal Clear Saltwater System. Its unique 2-stage technology uses an E.C.O. . Dec 18, 2017 - A saltwater system for above ground pools is a popular upgrade that many owners have chosen. We classify and review the Intex saltwater . Learn all you need to know about how to maintain a saltwater above ground pool . for Above Ground Swimming Pools, The Solaxx Retro Jet system produces a .