Will need some more info my friend. Looks like nute burn to me tho
What strain is it?
Is it Indica, Sativa or Hybrid? What percentages?
Is it in Veg or Flower stage?
If in Veg... For how long?
If in Flower stage... For how long?
Indoor or outdoor?
Soil or Hydro?
If soil... what is in your mix?
If soil... What size pot?
Size of light?
Is it aircooled?
Temp of Room/cab?
RH of Room/cab?
PH of media or res?
Any Pests ?
How often are you watering?
Type and strength of ferts used?
I'm growing a royal dwarf feminized auto flowering
Type Sativa: 60% Indica: 10% Ruderalis: 30%
It is in veg stage for 30 days now.
I'm growing indoor in soil. the mix:
30% regular soil
30% humus
20% vermiculite
20% coconut fiber
The pot is about 11L
And I'm not using any fertilizer
The light is a HPS 250w 20000 lumens
The temperature varies from 78 to 95 degrees
I bought a Ph meter so I don't soil ph at the moment