Ingredient risk record
Copper
Also appears as: chelated copper, copper sulfate, copper-amine complex, Cu
Manufacturer pages for Cupramine and Coppersafe explicitly instruct keepers to remove invertebrates before dosing their copper-based formulations. FishyMag uses those first-party warnings as a one-way risk signal, never as treatment advice.
Source-linked caution for
The evidence is ingredient specific. It raises a warning on a product containing this ingredient but never decides the verdict.
“Remove all invertebrates - these are extremely sensitive to copper and will not tolerate treatment with a copper-based medication.”
manufacturer page · seachem.com · checked August 16, 2026
“Not safe for use with invertebrates: corals, snails, shrimp, clams, jellyfish, other crustaceans or molluscs; these types of livestock should be removed before dosing.”
manufacturer page · fritzaquatics.com · checked August 16, 2026
The inference only runs one way
A product containing copper gets a warning. But a product without it gets nothing — no clearance, no green tick. Fritz Algae Clean Out contains no copper and is still explicitly unsafe for shrimp and snails, which is why FishyMag will not certify a product as compatible unless the manufacturer says so directly.
Treatments containing copper
Next steps
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.