Light Burn vs Nutrient Burn?
Tops bleaching vs. brown burnt tips—two different causes.
Light burn vs nutrient burn? Pale tops or brown tips—see differences and analyze fast.
Common Causes
- PPFD too high/too close
- EC too high causing tip burn
- Heat stress compounding
- Low airflow hot spots
How to Tell Which One You Have
Light burn: pale tops, uniform; Nute burn: brown tips/edges starting mid/low.
FAQ
Raise lights or lower feed?
Pale tops = lower light/heat; brown tips = lower EC.
Both at once?
Yes, adjust PPFD and EC together.
Add cal-mag?
Only if deficiency signs; burn needs less intensity/EC.