This is the most advanced system for precise use of wet chemistry methods ever produced! Now pool and spa analysts can achieve precision without time consuming test and clean-up procedures. So simple anyone can use it. No vials to fill, no prep time, no guessing! Does all your pool and spa water testing for you wherever you need it. Each sealed reagent disk contains the precise amount of reagent needed to run a complete series of test in just 30 or 60 seconds. Simply fill a reagent disk with a water sample, place it in the meter, tap "start" and all your vital tests are done automatically. Now with the convenience of on the go functionality. Mobile Spin Touch Lab helps with on the go testing. Does not include software.