Need help - Yellow leaves

[skunk793]

Can anyone help out n tell me why the leaves on my pplans are turning yellow.. They are 5 weeks into flowering and will like some good advice so they can get better..

Thnx in advance..

 

[Scientific]

Hey -- If you will provide the info requested at How to Ask for Grow Support that would help a lot.

 

[KitasCountryRoots]

Answer these questions ----

What Strain is it?
Is it Indica, Sativa or Hybrid? What percentages?
How Many Plants?
Is it in Vegetative or Flowering Stage?
If in Vegetative Stage... How Long?
If in Flowering Stage... How Long?
Indoor or Outdoor?
Soil or Hydro?
If Hydro, Reservoir size?
If Hydro, Reservoir Temperature?
If Hydro, what type of Medium?-
If Hydro, what type of Setup?-
If Soil... What is in your Mix?
If Soil... What Size Pot?
Size (Wattage) of Light? How Many?
Is it Air Cooled?
Temperature of Room/Cabinet?
RH of Room/Cabinet?
PH of Medium or Reservoir?
Any Pests?
How Often are you Watering?
Type and Strength of Fertilizers used?
Size or Square Footage of Room?