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Black Mold (Aspergillus)
Aspergillus niger
Dangerous mold that produces harmful spores. Health hazard - do not breathe spores. Dispose immediately.
Reference Images
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What It Looks Like
Black spots or patches, often powdery, can start as white/yellow before darkening
Recommended Action
HEALTH HAZARD. Wear N95 mask. Do not open indoors. Bag entire container and dispose in outdoor trash. Sanitize area thoroughly.
How to Identify
- 1Black color is distinctive
- 2Often powdery texture
- 3May start white or yellow first
- 4Circular colony pattern
- 5Spreads from a central point
Common Causes
- •Contaminated substrate or spawn
- •Poor sterilization
- •Exposure to contaminated air
- •Wet, warm conditions
Prevention Tips
- ✓Proper sterilization protocols
- ✓HEPA filtration in grow space
- ✓Quality spawn from clean source
- ✓Do not over-wet substrate
Learn more from external sources:
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