Good charts, but it answered your question. Hydro according to your chart has an optimal of pH from 5.5 to 6.5. personally I try to keep it from 5.8 to 6 with a little flexibility to either up it to 6.5 or drop it to 5.5 Sent from my Moto E (4) using Grasscity Forum mobile app
I just adjusted it to 6.2ph it's at 760 ppm . it started as 240ppm from the tap I can follow the chart I found to see if nutes are being taken when the roots hit it!
I attached the charts because the OP stated in one of his posts that he was going to mix his nutes at 6.5 which is the high end of the scale and leaves no room for error, plus when the pH rises in the reservoir (and it probably will) it will put him out of range and some nutes will become unavailable to the plant. 5.8 to 6.0 is perfect - not 6.5.
Yes but you asked a question all I did was answer. Sent from my Moto E (4) using Grasscity Forum mobile app