Full flush- help needed

Hey guys, just dont a full flush because my EC was so high, the meter couldn’t read it.
Ive brought the EC down to 350pp and PH is 7.4 with run off (after flush).
I now need to re feed and adjust ph. What should I feed and how much. Whats my target EC and P.h both run off and before I water?

EC ~2.0 (equivalent to 1,000 PPM.)

pH depends on your grow media. It’s 6.3 to 6.8 for soil and 5.8 to 6.2 in coco or hydro.


So when i measure ppm in the water before I feed it? Ppm should be?

I just feed the prescribed amount and monitor and adjust as necessary based on runoff PPM.