ppm to high

What in the hell would a ppm be that high for? I watered it today and that's what the runoff measured...

Hello all, so I'm branching off on my own this year. And i am going to try to replicate what we have been doing for years in the Sacramento foothills, here in AZ. I am at 3000 ft, so i wont have to deal with the extreme heat. And I will get plenty of sunshine. I'm using 100 gal. smart pots, and...