Insta-TEST 4 Plus Chlorine / Bromine Test Strips are formulated specifically for hot tub use and suitable for use with all chlorine and bromine based sanitisers.
The Insta-TEST 4 Plus 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
50 strips per pot.More Information
Test for Potassium Monopersulfate (MPS), pH, and Total Alkalinity.
Use after applying product and before entering the water to ensure an adequate level of sanitiser.
User friendly easy-grip bottle with flip-top strip dispenser cap.
50 strips.More Information