Can the data indicate the right time to flush? Jeff Chan October 29, 2015 19:02 Yes. By trending EC over time, it is easy to assess when it reaches a high level, prompting flushing needs. Related articles How can the POGO identify moisture issues? How does POGO help me optimize my irrigation program? What is a Warning? How long can the data be stored on the smartphone? Why is there is a green dot off the coast of Africa on my map?