Nutrient deficiency?

[gwr]

Outdoor soil
giving it about 1.5 gallons every three days with half strength nutrients once every other or every three water ph level going in is good. Runoff has
been around 5-6ish. It’s showing pistils.
Any idea on what I’m dealing with and how to fix?

[Rwise]

1 Your PH is to low, add egg shell or dolomite etc. to get the PH up,,, whats your PH going in? For soil shoot for 6.8,,,
need many more details