Using this meter, ran into an issue I didn’t see addressed in the “manual”. It sits in storage solution when not being used, and I have calibrated it. Today I ran in to something I had not seen.
When measuring runoff ppm on one of my plants (others were fine) it read 2000 and was flashing - feeding at 1200ppm. Other 2 plants runoff was within acceptable range. So, is the flashing 2000 just telling me there is an issue that needs to be addressed (which I’m guessing is true), or is it something else? Runoff ph is ok.
I’m in week 5 - White Widow autos.
Second question, does this mean it’s time to flush that one plant? Growing in coco-coir/perlite. If so, do I just keep running ph’d water with cal-mag until the runoff is within a good range?
Plant 1 - front center (between humidifier & fan), 2- back left, 3 - back right
Timelapse from seed thru week 4…