I can now confirm it is not in the 'maximize your' video. I still believe it to be mentioned in one of his videos. If I find it, I will confirm. Obviously even if I do it would be a bit ambiguous, though my high ph low buffer water seems to work well as evidenced by happy tomatoes
It's in there, I remember because high ph water is an issue here too. I don't really know how any of the ppm scales translate. Seen a pheno of a mostly indica yellow up using the 1.3 ums, but just a bit. Fixed it with one heavier feeding. I'm sure this could vary widely with genetics.
Watch his video again, the recipe is specifically high ph water that contains lots of minerals. The vermiculite is supposed to be good for ion exchange. A friend has used it successfully.
I would suspect that, I believe this technique calls for ph in the low 8s to start with before adding nutrients, which likely only lower to higher 7s. Waste should be around 6 - 6.5. Your plants look pretty good, so should stop showing those issues in new growth if that is actually the issue.
Thanks for the paper and the advice. I believe it is relevant to my situation and quite helpful. Hope to start both a coco and aeroponics grow before too long.
"How often you want to irrigate is dependant on the fact of how often the medium actually allows it (without causing root rot)"
I am super curious about this, the Bugbee video is awesome and I have followed his soil recipe exactly. It is intended to work with his tap water which is high in...