Exclusively for use with the WaterLink SpinTouch, LaMotte have created the 3 use disk, making a water test using the SpinTouch even faster and even more cost effective. Measuring Free Chlorine, Total Chlorine/ Bromine and pH, the 3 use disk takes just 30 seconds and can be used 3 times in a 24 hour period. This disk is ideal for public pool operators, testing for chlorine and pH throughout the day. No need to record the results either- they are stored on the device with a time and date stamp.' sales@lamotte-europe.com, +44(0)1926498203.