Test your well water the safe and easy way with the Well eXact EZ. You will be amazed at how effortless it is to achieve lab-quality, accurate results within seconds! The Well eXact EZ tests 5 important water quality parameters and uses our patented eXact Strips, a quick and easy reagent system for analysis. Simply dip an eXact Strip into the water sample for 20 seconds using a gentle back and forth motion, discard the strip, and read the results instantaneously.