Record: Symptom, three-column list, each test with result and date, causes ruled out, working diagnosis.
Write one current symptom in five facts.
Draw three columns with at least one cause in each; note each test's cost and time.
Run the environmental tests today: bed temperature, RH, hours caps stayed wet, compost pH strip.
Run pest checks tomorrow with a hand lens and the trap count; cross out ruled-out causes.

