Hello..
So i have 3 autos in a tent. Temps stay around 70-80. Never more, never less. Growing under a 400w LED.
Soil is 1/3 ocean forest, 2/3 roots organic.
Ph on all 3 is 6.4-6.55. Watering at 6.3. I was fairly sure it was phosphorus deficiency, but i wamt to be sure.
I just gave a 1/4...