The Intex 4 way test strips pool & spa strip measures Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Alkalinity 0-240 ppm, pH 6.2-9.0, and Total Hardness 0-800 ppm. This test strip is a dip-n-read strip with instant results. Each bottle includes 20 test strips packaged in a waterproof  bottle with cap.

The bottle has a moulded desiccant liner, which protects the strips from moisture and UV light. The Intex 4 way test strips are ideal for spa and pool owners who need the most critical tests for perfect water balance.