filtration systems Swimming Pools Filter System Useage January 13, 2026 / February 15, 2026 by Kevin Zacharski | Leave a Comment Looking for some information on how how to operate and maintain pool filter systems? Here are some questions with answers that will help. How does a sand filter clean my pool water? Your filter uses special sand to remove dirt particles from pool water. Filter sand is loaded into the filter tank and functions as […] Read more » cartridge filter Sand Filter