Clear Water Hot Tub, Pool and Spa Test Strips X 50-3 in 1 - Measures Chlorine, PH and Total Alkalinit (Pack of 1 (50 Strips))
£11.69
Quickly measure pH, Chlorine and Alkalinity
Identify any necessary chemical adjustments
Reliable and accurate readings
Easy to follow instructions
Measures chlorine, PH and alkalinity: Measures various quality levels of swimming pool or spa water to indicate what chemicals are needed to prevent harmful bacteria entering your water
Directions: Dip strip and remove immediately, hold strip level for 15 seconds, use simple-to-use guide on bottle to read the results
From the manufacturer