Keeper workflows

Did the aquarium pump run, or was it only commanded on?

Audit a scheduled command, acknowledgement and later observed return discharge without treating software status as continuous physical pump operation.

By FishyMag · Published

Worked arithmetic example · Not a clinical review or treatment recommendation.

Quick answer

The fictional packet establishes a 14:00 schedule, a 14:00:02 command acknowledgement and observed return discharge at 14:03. It does not establish uninterrupted water movement between those times. An outlet status or electrical measurement is a different observation from direct flow evidence.

AI-generated illustration of a flowing aquarium return outlet and a separate dry power adapter; no named-model performance test or measured result is shown.
AI-generated editorial illustration. Also used in related FishyMag guides. Not a photograph of FishyMag testing or a treatment demonstration.

Keep three events as three different records

A schedule says what was intended. An acknowledged command records a software event. A timestamped observation of discharge records water movement at that observed point and time. The fictional packet contains all three; none should overwrite the others with a single “pump ran” tick.

Complete the claim ladder

Neptune documents per-outlet power monitoring for EB832. That can add electrical evidence to a real packet, but it is not itself a direct measurement of return discharge. No actual controller acknowledgement field was tested in this example.

Complete the claim ladder: worked table
TimeEvidenceSupported claimUnproved extension
14:00:00ON scheduleOperation was scheduledOutput changed or water moved
14:00:02Command acknowledgementCommand event acknowledged on its stated meaningMotor delivered uninterrupted flow
14:03:00Discharge observationWater movement observed at that point and timeSame movement throughout the preceding interval
14:00 to 14:03No continuous physical recordGap retainedContinuous operation not established

Use the missing evidence to shape the handover

Record the actual controller model, firmware, status-field definition and any independent power or flow channel. A later observation cannot certify every earlier second. Conversely, the gap is not evidence that the pump stopped. The finished handover distinguishes intended, acknowledged and physically observed events without recommending an equipment change or a live interruption test.

Use your own details

Did the aquarium pump run, or was it only commanded on? worksheet

Download the editable text file, fill it in on your device and keep it with the relevant record. This blank worksheet records your information; it does not verify entries or approve treatment.

  1. Scheduled action and device identity
  2. Command issue and acknowledgement timestamps
  3. Meaning of the actual status field
  4. Electrical measurements if independently recorded
  5. Direct discharge observation and its timestamp
  6. Unobserved interval and clock comparability
  7. Continuous-operation claim being proposed
  8. Evidence needed to extend that claim
Download worksheet (.txt)

Put it into practice

Your checklist

  • Separate intended, acknowledged and observed events.
  • Retain the timestamp of physical evidence.
  • Do not turn a status label into proof of uninterrupted flow.

Sources and scope

This article distinguishes manufacturer statements from FishyMag’s own workflows and arithmetic examples. Linked formulation records retain their own evidence dates; publishing this article does not refresh those records.

AI-assisted writing and development. Not hands-on product testing or veterinary review. How we publish →

FishyMag reports what manufacturers say, quoted and linked. It does not diagnose illness or recommend a treatment, and it never infers that a product is safe from the absence of a warning — where no statement exists, it says so.

Formulations change. Always read the label on the bottle in your hand, and contact the manufacturer if your tank contains anything valuable or unusual.

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