Poolcheck - 3 in 1 test strips for swimming pool and jacuzzi (allows you to perform 50 tests)

The Pool Check 3-in-1 test gives the user more than a test strip: it delivers accurate results you can trust. The Pool Check 3 in 1 test has been specially developed for swimming pools and hot tubs. Good value for money!

Procedure: Immerse a single test strip for 5 seconds in bathing water and give it a gentle back and forth motion. Remove the tab from the water and shake it firmly once to remove excess water.

Wait 15 seconds for the colors to appear. For best results, within 30 seconds compare the colors with the card on the package. Measuring range: Free chlorine: 0, 0.5, 1, 3, 5, 10, 20 ppm Total alkalinity: 0, 40, 80, 120, 180, 240,360 ppm pH: 6.0, 6.4, 6.8, 7.2, 7.6, 8.2, 9.0