- 7-in-1 Test Strips – the most comprehensive test strips available!
- AquaChek Silver tests for Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity & Stabilizer (Cyanuric Acid).
- AquaChek Test Strips are manufactured by the industry leader: Environmental Test Systems (ETS).
- Simple, fast, and accurate! Get your results in only 15 seconds.
- Easy to use! Simply dip the test strip into the water.
- 100 Test Strips per bottle.