Solve
Something doesn't look right
Most surprises during a grow are completely normal. Pick what you're seeing below, and we'll help you work out what's happening, whether it's normal, and what to do next.
Misshapen or Leggy Clusters
Almost always a fresh-air issue rather than anything more serious — more frequent fanning usually corrects the next flush.
Blue Oyster, Pink Oyster, Coral Tooth
Slow to Pin
A slow start to pinning is usually about humidity or fresh air, and almost always resolves with small adjustments rather than a restart.
Lion's Mane, Blue Oyster, Pink Oyster, Coral Tooth
Yellowing Mushrooms
Yellowing is usually a humidity or airflow issue rather than a sign of contamination — and it's rarely a reason to stop the grow.
Lion's Mane, Blue Oyster, Pink Oyster, Coral Tooth