5 in 1 Pool Test Strips,125 Strips SPA Test Strips for Hot Tub, Water Test Kit, Accurate Cyanuric Acid, Free Chlorine, Alkalinity,Bromine,and pH Testi Strap or it might make mistake

or it might make mistake

so they stay comfortable when you lie on your side

but still provide bright vision for you to see

After putting them in the tub

Dispose of the used wipe

5 in 1 Pool Test Strips,125 Strips SPA Test Strips for Hot Tub, Water Test Kit, Accurate Cyanuric Acid, Free Chlorine, Alkalinity,Bromine,and pH Testi Strap or it might make mistakeFAST AND ACCURATE: Just dip a strip into water for 2 seconds and then remove it. Hold the strip horizontally for 30 seconds. Compare with color chart and read within 30 seconds. Why you'll like it Widely applications These strips are widely used for swimming pool, spa, bath, hot tub and other water chemistry testing. Researches show that you should test your pool and spa at least twice a week, so you can monitor your water quality at regular