Bottom leaves turning yellow

A question from a fellow grower:

i have problems with my indoor plant unfortunately the bottom leaves are turning yellow i don’t know what to do

Strain (type, bag seed):
vision seeds please find attached a photo
Soil in pots, hydroponic, or coco?:
System type?:
i just have a tent please find attached a photo
PH of runoff or solution in reservoir?:
What is strength of nutrient mix? EC, or TDS:
i use raw N and raw P and raw K and a liquid iron and sometimes i use a mix of NPK with Fe,Cu,Mn,Zn,BO,Mo please find attached a photo
Indoor or outdoor:
Light system, size?:
900 watt please find attached a photo
Temps day, night:
day (25 degree celsius) night 22 degree celsius)
Humidity day, night
Ventilation system (yes/no, size):
AC, humidifier, de-humidifier?:
Co2 (yes/no):

why don’t I see any Calmag and without tds/ppm pretty hard to say for sure what’s your water cycle like looks to be root rot to me so you are likely over watering

How often do you water/feed?

Looks like over watering… Check your pH of runn off also…