Quote Originally Posted by birdboy
Yes i have a PH meter.
My PH spiked from 580 normal to 760 in one day.
Looks like a ph problem.
Are you confusing ph and ppm? 580 and 760 are not ph numbers, but they do look like they are part-per-million numbers. Normal ph range for hydro is between 5.8 and 6.2 I think, but am not a hydro guy so someone should correct me if I'm off.