50Pcs Chlorine PH Test Strips 50 Strips 5 in 1 Swimming Pool SPA Nitrate Nitrate (iii) PH Hardness Water Sampler for Paper Feature: 5 in 1 Pool & Spa Water Quality Test Strips. Tests for free chlorine, free bromine, pH, total alkalinity, total hardness, and total chlorine. This bar is easy to use, it helps you to know the water quality in the main 6 gauge easily. It is suitable for use in swimming pools, hot spring water and other industries. High precision and easy to detect. Specification: Material: Paper Application: suitable for swimming pool water test or swimming pool hot spring Weight: About 33g Package: Bottle Test Range: Total Hardness: 0 - 100Total Chlorine Range: 0-10Free Chlorine Range: 0-10Bromine Free Range: 0-22 pH Range: 6.8-8.4Total Alkalinity: 0-240Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.50 X PH Testing Strips