Urgent: discoloration on leaves in veg?

Overgrowtho · Nov 23, 2023

Rockwool
5.9 ph
900 ppm tds
35000 lux
27C
65 RH

What is wrong here?

SBNDB · Nov 23, 2023

Shew…What u growing in, coco?

Overgrowtho · Nov 23, 2023

Hi this is in Rockwool. Maybe my PPM was too low when I earlier had it down at 800?

SBNDB · Nov 24, 2023

Some kind of lockout goin on. Was it alot higher than 800 ? Cause maybe u were over feeding?

Overgrowtho · Nov 25, 2023

could have been PH at 6 is too high?

co2 too low?

Billy the Mountain · Nov 25, 2023

Check your runoff EC and pH; you may be surprised.
That's a more representative look into what's going on at the root zone.