What is the way to go?

Hi G!

1:Pakistan valley
2:Blue chees
3:dark star

In flower week 5 and water whid ppm 550 ph 6.4 and my runoff was 1100 and ph 7.8 but plant start green up the new leaf after put Epson in it. Its on better track but what you think is my next move?

Have no photo its about the ppm and ph