Salt Water Hot Tub Chlorine Generator The ChlorMaker DO (drape over) includes a small control panel that can be attached to the skirt of the spa, a class 2 power supply that can be plugged into an outlet near the spa with a 15 foot cord and a chlorine generating cell that drapes over the side of the spa into the water. The ChlorMaker DO operates on a 3 hour cycle and will automatically make chlorine for part of each 3 hour period depending on the power level selected. The ChlorMaker DO will reduce the maintenance requirements of your spa and significantly reduce the amount of chemicals you may be currently using. - Easy to install Spa Saltwater System Hot Tub and Spa Chlorine Generator. - Auto detecting 110/220 VAC switching power supply. Low 5 volt dc output with 15 foot cord. Certified to CUL and UL. - Simple button press for changing the power level. - Includes the ORIGINAL ControlOMatic introduced Boost Mode with the press of a single button - Clear chlorinator cell allows for easy inspection of the titanium plates. - Low 2000 PPM NACL salt concentration for chlorine production - Requires NO FLOW or SPA MODIFICATIONS for operation - Up to 32 grams per day chlorine production Installation: 1. Add 1.5 pounds of salt per 100 gallons 2. Attach the control panel to the spa skirt (2 screws) 3. Drape over the cell into the spa water (8 foot cord) 4. Plug in the 110/220 power supply