Light Leaks in Flower? (Re-Veg/Herm Risk)
Even small light leaks can stall flower, cause single leaves, or trigger herms.
Light leaks in flower? Re-veg/herm risk—seal and analyze fast.
Common Causes
- Unsealed vents/LEDs
- Opening tent in dark cycle
- Timer failures
How to Tell Which One You Have
Odd single blades in buds, stalled pistils, possible nanners; inconsistent dark period.
FAQ
Fix?
Seal all light, test with phone camera, verify timers.
Recover?
Once dark is stable, new growth normalizes.
Harvest delay?
Expect slower finish after re-veg signs.
Browse problem guides
- Cold Stress on Cannabis? (Low Temperature Damage)
- Cold Temperature Stress Cannabis
- Wind Burn on Cannabis? (Fan Damage)
- Temperature Fluctuations? (Temp Swings)
- Humidity Too High in Flowering? (High RH Buds)
- Humidity Too Low Seedlings Cannabis
- CO2 Deficiency? (Slow Growth in Sealed Rooms)
- Seedling Stretching After Sprout