Label case studies
Cupramine and conditioners: read the combination warning before the dose
A product-history checklist for the reducing-agent warning in Seachem’s Cupramine directions.
Manufacturer-source commentaryFishyMag fieldnotes
Better questions.
Fewer blind spots.
Read the warning behind the headline. Check the number behind the dose. Keep a record another keeper can understand.
15 articles
Label case studies
StressGuard: a livestock statement is not permission to combine products
Why the invertebrate answer and copper-medication restriction address different questions.
Manufacturer-source commentaryLabel case studies
KanaPlex water and food instructions: why route belongs in your evidence check
Avoid transferring an instruction from one administration route to another.
Manufacturer-source commentaryMeasurement
The nominal-tank trap: a correct calculation with the wrong water volume
A worked example showing why the number on the tank box is not a measurement of water inside.
Worked arithmetic exampleMeasurement
US gallons or imperial gallons? Resolve the unit before calculating
How an ambiguous gallon changes the arithmetic, and what to keep in your treatment notes.
Worked arithmetic exampleMeasurement
Why water-change arithmetic cannot tell you when to redose
Separate a simple dilution model from product-specific measurement and instructions.
Worked arithmetic exampleMeasurement
Scoops, caps and millilitres: when a dose conversion is not defined
Recognise missing conversion information before using a measuring tool or calculator.
FishyMag editorial workflowEvidence decisions
The whole-tank check: why one reassuring verdict is not enough
A repeatable way to include every relevant group without letting unknowns disappear.
FishyMag editorial workflowEvidence decisions
Retailer says safe, manufacturer says remove: document the disagreement
A source-comparison worksheet that preserves wording, identity and authority.
FishyMag editorial workflowEvidence decisions
Compare treatment evidence without inventing a “best cure” ranking
Use a comparison table to expose differences and gaps—not diagnose or choose equivalent substitutes.
FishyMag editorial workflowEvidence decisions
An old evidence date and a new bottle: what needs rechecking?
Distinguish a page publication date from the date its supporting treatment evidence was checked.
FishyMag editorial workflowKeeper workflows
Did the manufacturer actually answer your compatibility question?
Evaluate the scope of a support reply before treating it as evidence for your bottle and livestock.
FishyMag editorial workflowKeeper workflows
Two keepers, one tank: make a treatment handover that can be checked
A recordkeeping workflow separating completed actions, observations and unanswered questions.
FishyMag editorial workflowKeeper workflows
Before buying an aquarium treatment: match the listing to the evidence record
A practical identity check for marketplace results, bottle labels and formulation-specific evidence.
FishyMag editorial workflowKeeper workflows
Keep your treatment log: saving, exporting and deleting are different actions
Understand exactly what FishyMag keeps on your device and how to retain a useful backup.
FishyMag editorial workflow