Lamotte Insta-test 4 Pool & Spa Test Strips (3032-12)
POOL & SPA TEST STRIPS - Measures Free Chlorine 0 to 10 ppm, Bromine 0 to 20 ppm, Alkalinity 0 to 180 ppm, pH 6.8 to 8.4 and Total Hardness 50 to 800 ppm with instant results. There are 50 strips per bottle.