I just ph'ed rain water to 6.2 and flushed plant ppm tds was 28. After flush water 770 ppm. Think way to much nutes. Ph of flushed water was 7.2Sorry for not getting back to u Dave. They are autos growing in coco peet. Indoors. Using greenhouse power feed. Using a 600 w led. Will take pics soon as lights on.
Once again many thanks.