I have been testing my PO4 with the ULR hanna checker and inputing the results into my apex. I'm no math expert but I don't understand the conversion the apex automatically does from ppb to ppm. Can someone please help me understand?
if my hanna returns a reading of 20 ppb, I would expect the conversion to be .020 ppm. so why does the apex convert the 20 ppb to .06 ppm?
if my hanna returns a reading of 20 ppb, I would expect the conversion to be .020 ppm. so why does the apex convert the 20 ppb to .06 ppm?