Contamination Identifier
Something wrong with your grow? Compare against these common issues to identify and address problems quickly.
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Fatal
Dispose immediately
Serious
Act fast
Moderate
Recoverable
Minor
Environmental
Fatal - Dispose Immediately
fatal
Green Mold (Trichoderma)
Trichoderma spp.
Bright green patches that spread rapidly, often starting white then turning green
fatal
Black Mold (Aspergillus)
Aspergillus niger
Black spots or patches, often powdery, can start as white/yellow before darkening
fatal
Blue-Green Mold (Penicillium)
Penicillium spp.
Blue-green fuzzy colonies, often in circular patterns, powdery spores
fatal
Pink Bread Mold (Neurospora)
Neurospora spp.
Bright orange or pink fluffy growth, spreads explosively fast, clouds of spores
fatal
Black Pin Mold
Rhizopus / Mucor spp.
Fast-spreading fuzzy white/grey mold with tiny black pin-like dots (sporangia) on top, looks like a forest of black-headed pins
Serious - Act Fast
serious
Cobweb Mold
Dactylium spp.
Wispy, grey-white fluffy growth that spreads over substrate surface like cobwebs
serious
Wet Bubble Disease
Mycogone perniciosa
Amber/brown liquid droplets on malformed mushrooms, mushrooms look melted or blob-like
serious
Dry Bubble Disease
Lecanicillium fungicola
Dry, cracked, malformed caps. Mushrooms look leathery and split.
