Detail
Just dip an AquaChek Yellow strip in your pool or spa water for 1-second and remove it immediately. You get test results in seconds. To keep your pool at its best, test at each end at least twice a week and test your spa before each use. Its also a good idea to write down your results each time you test, so you can track changes. Comes with complete instructions in 15 languages: English, French, Spanish, Italian, Czech, Danish, Dutch, German, Greek, Hungarian, Polish, Portuguese, Swedish and Turkish.