ControlOMatic ChlorMaker Saltwater Chlorine Generation System for Pools, Hot Tubs, and Spas up to 1,000 Gallons - 30 Gram Maximum Daily Chlorine Generation, Chlorinating Cycle Every 3 Hours CONTROL-O-MATIC POOL CHLORINATOR - Quite simply, Control-o-Matic is a line of saltwater chlorinators for home or professional swimming pools or spas. Enjoy better water and a dramatic reduction in maintenance. AROUND-THE-CLOCK PRODUCTION  Featuring 10 built-in power levels, no external timers are needed for the ChlorMakerDO. The self-cleaning system reduces the time you spend worrying about maintenance. EASY TO INSTALL & USE  The ControlOMatic's plug-and-play system does not require plumbing or mechanical alternations.Just attach the panel to the outside of your pool and lower the electrode into the water. SPECIFICATIONS  Can generate up to 30 grams of pure chlorine per day. 10 levels of production, supporting up to 1,000 gallons of water. Features built-in self-cleaning reverse polarity technology. WARRANTY - Quantum Networks, Hot Tub Covers Canada, Todayspoolandspa, Unbeatable Sale, Brandon Sale, and Cal Splash are the ONLY authorized resellers. Warranties DO NOT apply to purchases made from any other sellers.