Test strips 3 functions 50pcs

• The ideal solution for basic pool and spa water testing
• 3 in 1 test strip: -Free chlorine -pH -Total alkalinity
• Measures free chlorine from 0 to 10 ppm, alkalinity from 0 to 240 ppm and pH from 6.2 to 8.4 with immediate results
• Shelf life of 18 months
• Contents: 50 test strips

For external use only. Avoid contact with eyes. Keep away from direct naked flame or heat sources.