The Accu-Tab® Pool System Selector Tool and sizing tool will help you determine which Accu-Tab® system is right for your application. Enter your pool information below.   Size of the pool (in gallons): Pool Type: Select... Indoor Outdoor - Stabilized Outdoor - Unstabilized Bather Load: Select... Low Usage Medium Usage High Usage Pool Depth: Select... Shallow 0-4 feet Deep 4 ft or higher Pool Features: Select... Play Features No Play Features Sun Effect: Select... Intense Sun Normal SunIndoor NOTE: As with all chemicals, we encourage you to read the Accu-Tab® tablet material safety data sheet for proper safe use and handling and storage information. Analysis Report     The best systems are listed below for a pool/spa based on your input as follows:  gallons Pool Type :   Bather Load :   Pool Depth :   Pool Features :   Sun Effect :   Model PowerBase 1030, (for pressure side installations) or PowerBase 1030, (for pressure side installations) or PowerBase 3070AT (for pressure side installations) or PowerBase 3140AT (for pressure side installations) or PowerBase 3500 (for pressure side installations) or standard 3012  (for gravity feed installations) standard 3075  (for gravity feed installations) standard 3150  (for gravity feed installations) standard 3500  (for gravity feed installations) Multiple Chlorinators needed. Estimated chlorine requirement is lbs/day. Estimated Accu-Tab® Blue SI tablet usage is lbs/day. In some cases, more than one Accu-Tab® chlorinator model may appear. Your authorized Accu-Tab® Specialist can help you select the best one suited to your situation. We encourage you to contact your specialist or a PPG representative for a more detailed review of your specifications. If you are interested in purchasing one of these units, click here.