Golden Rule: If in doubt, throw it out. Never open a contaminated jar or tub inside your grow area.
Trichoderma ("Trich")
The most common enemy. It is a parasitic mold that eats mycelium.
Identification:- Starts as brilliant white, fluffy patches (whiter than mycelium).
- Turns forest green within 24 hours as it sporulates.
- Texture is dusty/powdery.
Cobweb Mold
Often confused with mycelium, but it's distinct once you know it.
Identification:- Greyish color (not pure white).
- Grows 3D (stands up high above surface).
- Grows incredibly fast (covers tub in 24hrs).
- Test: Spray with peroxide. If it melts instantly, it's cobweb.
Bacillus (Wet Rot / Sour Rot)
Bacteria usually from endospores surviving sterilization or too much moisture.
Identification:- "Wet spots" pressed against the glass.
- Grains look slimy or creamy.
- Smell: Sour, rotting apples, or dirty socks. (Healthy mycelium smells like fresh mushrooms).
Lipstick Mold (Sporendonema)
A slow-growing but dangerous mold. Can change color from white to pink to red.
Identification:- Distinct pink, red, or purple color.
- Often starts as white crystalline growth.
- Do not breathe this in.
Metabolites ("Myc Piss")
This is NOT contamination. It is an antibiotic secretion from the mycelium.
Identification:- Yellow to orange liquid.
- Clear, not cloudy/slimy.
- Cause: Mycelium is stressed (fighting bacteria, too hot, or too dry). Fix conditions.
Gear for this guide
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