Insta 3 Ways Test Strips
£9.95
Insta-TEST 3 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 3 Plus pool & spa strip measures Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Alkalinity 0-240 ppm, and pH 6.2-9.0.
There are 50 strips per pot.