Okay, got it going. only thing is my measurements are off I think....

My container farthest away has a PH of 5.4 and PPM at 98.....

Container next to the Rez has a PH of 4.8 and PPM at 112......

My Rez has a PH of 4.8 and PPM at 98.......

*PH Solution 7.0 has a PH of 7.2

*My R/O water has a PH at 6.7 and PPM at 27

What do I have to do? I am using the Flora series nutrients. Using the Lucas Formula.