First decision

Read ammonia, nitrite and nitrate correctly

Ammonia, nitrite or nitrate is being used to judge readiness or a change.

Use the whole card. The action stays attached to what must be observed and recorded, plus the nearest inference or action the current guidance cannot support.

Observe first

Identify the analyte, reporting basis, unit, test resolution, pH, temperature, recent feed and recent livestock or filter changes.

First action

Confirm the result and protect animals from a continuing measured hazard while investigating source and system function.

Record next

Record exact analyte and basis, method, before and after values, pH, temperature, actions, deaths and recovery observations.

Stop boundary

Do not equate TAN with un-ionized ammonia, use one nitrate result as proof of cycling or invent a universal chronic safe threshold.

Continue with the governing guide

Read ammonia, nitrite and nitrate correctly owns the complete method, evidence, limitations and revision history. This card introduces no separate biological claim.

Original typography-only teaching visual containing the complete card. It is not specimen evidence.

Copy the complete card

Keep every part and both permanent links together.

MOLT & MOSS NEOCARIDINA DECISION CARD
Version: 1.0
Reviewed: 2026-08-12
Topic: Read ammonia, nitrite and nitrate correctly

Situation: Ammonia, nitrite or nitrate is being used to judge readiness or a change.
Observe first: Identify the analyte, reporting basis, unit, test resolution, pH, temperature, recent feed and recent livestock or filter changes.
First action: Confirm the result and protect animals from a continuing measured hazard while investigating source and system function.
Record next: Record exact analyte and basis, method, before and after values, pH, temperature, actions, deaths and recovery observations.
Stop boundary: Do not equate TAN with un-ionized ammonia, use one nitrate result as proof of cycling or invent a universal chronic safe threshold.
Permanent card: https://moltandmoss.com/care/action-cards/nitrogen
Governing guide: https://moltandmoss.com/care/nitrogen

This card is a first-decision aid, not a diagnosis, treatment authorization, complete method or substitute for the governing guide.

Open the portable text version or open the complete visual card.

Copy the exact accessibility description

Use this complete description when a platform provides an alt-text field. Do not shorten away the stopping boundary.

Teaching card titled Read ammonia, nitrite and nitrate correctly: first decision. Situation: Ammonia, nitrite or nitrate is being used to judge readiness or a change. Observe first: Identify the analyte, reporting basis, unit, test resolution, pH, temperature, recent feed and recent livestock or filter changes. First action: Confirm the result and protect animals from a continuing measured hazard while investigating source and system function. Record next: Record exact analyte and basis, method, before and after values, pH, temperature, actions, deaths and recovery observations. Stop boundary: Do not equate TAN with un-ionized ammonia, use one nitrate result as proof of cycling or invent a universal chronic safe threshold. The permanent card is at moltandmoss.com/care/action-cards/nitrogen and the governing guide is at moltandmoss.com/care/nitrogen.

Card version 1.0, reviewed 2026-08-12. This is a first-decision aid, not diagnosis, treatment authorization, emergency service or a complete method.