Ppm question?

So this question is for the guys who are masters of using liquid foods in a dirt base. So I've been an organic farmer for many years and this time I decides to use a liquid food method(gh 3 part). My friend has been doing this for 20+ years and has a 2 to 2.5 lbs average a light formula. I know blah blah. My question is I'm on a high food feeding with co2 and I'm 28 days in flower and im wondering what should my dirt be around. Last week my ppm for feeding was 1500 and flush is 400. My program is feed,feed,flush. So I flush yesterday and I have some plants reading 1100ppm and I have a couple that read 1800. My next feed now suppose to be 1700 and I'm worried that next feed will be too much. What should I do.

If your ppm is higher coming out in runoff of some plants it could be due to plant position vs light position.


Those plants within a good footprint of the light will feed at greater strengths than those on the outer areas of the light footprint.

Meaning you may need to reduce feeding strength on those around the outer edges of your lights.




J