Automatic Dosing for Swimming Pools & Spas Save your time & Reduce Manual Handling of Chemicals Are you fed up of manually dosing your pool with chemicals? Do you dream about an automatic system that will know when your pool needs treating with more chlorine/bromine, so you no longer have to worry? Well, your dreams have just come true with Pentairs’ Rainbow 320 Automatic Chlorine/Bromine In-Line Feeders. This automatic dosing system uses large or small chlorine/bromine slow dissolving tablets to make sanitizing your pool or spa easy and automatic. Special features include: Positive external fine-control valve lets you adjust the feed rate to meet pool or spa demand. No special venting required. Completely enclosed system – no escaping fumes. Holds approximately 4.8lbs. of large or 3.5lbs of small chlorine/bromine tablets or sticks. Can treat from 6,500 to 75,000 gallons. Top-loading for ease of adding chemicals. NSF listed for public or residential pool, spa or hot tub use. Also available in clear for ease of tablet viewing. For more information, please see Rainbow Feeder Literature