More stories about Filters

  • Cartridge Filtration For Pool Clearning Requires Delicate Balance

    Filter performance is a balance of efficiency, load capacity and durability.

  • Keeping It Clean

    Industry experts offer advice on managing water chemistry

  • Survey Finds Reasons for Filter Preferences

    Cartridge filters are on the rise nationwide, but some regions have strong preferences for DE and sand. Here's why.

  • Firms Sign Agreement

    A filter-cartridge producer now manages a division of a sand supplier.

  • Eye on the Media

    Diatomaceous earth and cartridges each do an excellent job of keeping pools free of particulates.

  • Making It Clear

    Turbidity is one of the most predominant water quality issues in the pool industry.

  • Franchise Players

    Subway. 7-Eleven. Dunkin’ Donuts. Hertz. These brands sit at the top of the U.S. franchise world, and are part of a category containing nearly one million similar companies throughout the country.

  • Nation's First "Natural" Public Swimming Pool

    After a century of renovations and updates, a Minneapolis park’s swimming hole will return to its freshwater origins and become the nation’s first “natural” public swimming pool.

  • Clear as Glass

    A growing trend in swimming pool filtration uses recycled glass in lieu of quartz silica sand in conventional pool sand filters.

  • Industry Avoids Proposed Filter Ban

    The pool and spa industry has dodged another regulatory bullet, but in its wake many wonder if there are too many model codes.