Help identifying excess/deficiency

[Greenup]

@Foreigner

@Greenup

So far mostly PH balanced water, and one time the smallest amount of sensi grow nutrients i could measure.

Explain this further please.

when watering with tap water I use ph down to get it to 6.5. Used sensi grow 1ml each of part A and Part B per liter of water for 1 or 2 waterings.