Nah…. I have a friend that works for these people.You have friends like this?They use swimming pool pH testers don't they?
You’ll like this….
I grabbed a sample of what runoff there was (like 30 ounces from 100 plants on this one table)…. And the blue lab ec meter didn’t go high enough to give a reading. I estimate the runoff to be in the 400+ ppm range probably….
Edit: 4000+ ppm range