fyi - when I used AN in the past, it was the 2 part AN Sensi grow and bloom I used (in soil).
For the record; all the AN 'additives' I've ever used in the past didn't effect the PH at all (voodoo juice, b52, carboload, calmag, revive, bud blood, bud ignitor, bud factorX, big bud and over...