Question:

Ok, so now I've started reading in EC instead of PPM (Thank You!). But when I am tending, what should I measure and adjust first PH or EC?

Thanks
doyoulikegreen Reviewed by doyoulikegreen on . µS? What is this measuring? µS OK I understand its conductivity. And it can be used for calibration I assume... but do I really need this for anything besides that? Rating: 5