Karen ErstadKaren Erstad joined the staff of AQUA magazine in 2001. She served as Senior Editor before becoming a full-time stay-at-home mother in 2007. She has a B.A. in English from the University of Wisconsin - Madison and lives in Madison, Wisc.HomeBack To SchoolHosting informative and profitable pool chemistry seminars.May 11, 2004BuilderSharper ImageCustom spa project exemplifies contemporary design.May 11, 2004BuilderMatch GameSpecifying pool and spa controls.April 11, 2004RetailA Will, A Grill And A WayStrategies for selling and merchandising grills and grilling accessories.March 11, 2004BuilderForm Following FaithSibling rivalry also played a role in this custom pool’s design.March 11, 2004RetailEfficiency EquationMaximizing pump, motor and hydraulic efficiency.February 11, 2004BuilderBalancing Act - Less is more in this Southern California watershapeLess is more in this Southern California watershape.February 11, 2004PoolsCommercial ArtThe stakes are higher - but so are the rewards - in this marketNovember 11, 2003BuilderTwists & TurnsTwists & Turns Texas builders collaborate to create this backyard retreat.November 11, 2003PoolsClassic ArtistryClassic Artistry Old World meets new in this modern Roman-style bath.September 11, 2003Previous PagePage 13 of 14Next PageTop StoriesChemicalsPool Power PyramidA new approach to water balance shows how chlorine, pH, alkalinity and borates work together.Builder2026 Awards of Excellence: Gold Winners (Part 2)Builder2026 Awards of Excellence: Gold Winners (Part 1)Business OperationsHow AI is Redefining the Modern Pool BusinessSponsored ContentIndustry Spotlight: LG Electronics