12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
Observatory question

Can a leak appear the day after rain?

Yes. Concealed storage and slow transport can create a delayed visible symptom.

?question

Yes. Concealed storage and slow transport can create a delayed visible symptom.

Useful answer

Yes. Concealed storage and slow transport can create a delayed visible symptom.

What to record

Write down the date, location, trigger and any change since the previous observation.

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