The chart pretty much confirms what I said..
For healthy plants you expect water level to fall, PPM to fall, and PH to remain stable.
My PH is stable.. you do not get any PH drift in a 120 litre system. The only reason I need to add PH up is to balance the Canna Aquavega A+B which lowers...
Dont agree with comment about PPM's meant to increase!
I run a 120 litre (32 gallon) undercurrent DWC system. My plants are current in day 8 of post flip and just about to finish with the stretch.
I just changed 50% of my Nute solution from Veg A+B & boost to Flora A+B & boost, just before...