EUSCI Pool and Spa Test Strips- 6-in-1 Swimming Pool Water Testing- Test PH- Chlorine- Bromine- Hardness and More- Water Chemistry Tester Kit- 50 Count -1 Pack-

Omnidirectional Testing Test Range: Measuring range of total chlorine: 0-1-3-5-10 Residual chlorine test range: 0-1-3-5-10 Acid-base value (PH) test range: 6.8-7.2-7.4-7.6-8.0-8.4 Total alkalinity test range: 0-40-80-120-180-240 Cyanic acid test range: 0-30-50-100-150-240 Total hardness test range: 0-100-250-500-1000 Fast & Simple To Use: - Just dip a strip in water 2 seconds, take it out and wait for 15 seconds, compare each panel color changes to the color chart on the side of the bottle, then you can get the the accurate results of water quality.