Biofilm fingerprints

Definition

Physical traces such as slime, deposits, odor, discoloration, and localized corrosion patterns that reveal hidden biological activity.

Even when hidden, biological systems leave traces that often reveal more than lab results. Under-deposit corrosion with black staining points toward sulfate-reducing bacteria, and a sulfide odor near a dead leg suggests anaerobic activity. When corrosion or fouling behaves inconsistently with bulk chemistry, biology should be assumed present until proven otherwise.

Related concepts

Tubercle · Reconnaissance and monitoring · Under-Deposit Corrosion

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Part of The Blueprint of Water · 📏 measurement