Biological Control Decision Tree

One mechanism from Chapter 9: Microbiology.

flowchart TD
  A["Biocide demand rising without added system load"] --> B{"Bulk water counts low?"}
  B -->|"Yes"| C["Suspect biofilm on surfaces, not water column"]
  B -->|"No"| D["Planktonic bloom, suppress with oxidizer"]
  C --> E["Mechanical removal strips deposits"]
  E --> F["Dispersants expose sheltered surfaces"]
  F --> G["Flow management eliminates dead legs"]
  G --> H["Rotate biocides to suppress regrowth"]
  H --> I["Trend and re-inspect surfaces"]

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Diagrams · The Big Picture · Chapter 9