AquaChek Select Test Strips Size:50 Strips and comfortable for swimmers

and comfortable for swimmers

mess-free way to dose diatomaceous earth (DE) into your pool filter

and a simpler maintenance routine

Choosing PBW4PAIR means investing in cleaner water

Final Thoughts: Choosing a genuine Pentair diverter gasket means dependable sealing

AquaChek Select Test Strips Size:50 Strips and comfortable for swimmersAquaChek's Select test strips allow pool and spa owners to test their systems for total hardness, free chlorine, total chlorine, total bromine, pH, total alkalinity, and cyanuric acid. Simply insert the test strip into the pool or spa water for 1 second, and several seconds later you have fast, accurate results. It is recommended that you test your spa before each use, and pools a minimum of twice per week, to get an accurate picture of the health of