ChlorMaker DO is a drape-over spa saltwater system specifically designed as an affordable way to retrofit any spa in the marketplace. A good up-sell product, simply install the easy-to-use, push-button control panel to the spa skirting, add 1.5 pounds of salt per 100 gallons of spa water, install the cell and plug it in. The system makes chlorine on a three-hour cycle with adjustable output. Its automatic self-cleaning, salt level indication and usage boost mode reduce spa maintenance. Contact: (530) 205-4520; www.controlomatic.com
