Formulation evidence record
API MELAFIX
Antibacterial remedy · US formulation
Shrimp
Amano, cherry, crystal and other freshwater shrimp.
Snails
Nerite, mystery, ramshorn and other aquarium snails.
Live plants
Rooted and floating live aquarium plants.
Biological filter
The nitrifying bacteria in your filter media.
Not addressed by the manufacturer for: scaleless fish, marine invertebrates. No statement was found, so no verdict is given — that is not a clearance.
Why FishyMag says this
The manufacturer's own wording, quoted rather than paraphrased, so you can judge it yourself.
Shrimp
No evidence foundWidely repeated online as invertebrate safe, but API’s own product page makes no such claim — it addresses the biological filter and nothing else. We will not carry a positive verdict that the manufacturer has not made.
No manufacturer statement was found for this group. That is not the same as a clearance — treat it as unconfirmed and ask the manufacturer before dosing.
Snails
No evidence foundAPI makes no statement about snails on this product page, despite the claim circulating widely on retailer and forum pages.
No manufacturer statement was found for this group. That is not the same as a clearance — treat it as unconfirmed and ask the manufacturer before dosing.
Live plants
No evidence foundNo statement about live plants was found on API’s product page.
No manufacturer statement was found for this group. That is not the same as a clearance — treat it as unconfirmed and ask the manufacturer before dosing.
Biological filter
Manufacturer states compatibleAPI states MELAFIX will not adversely affect the biological filter, alter pH or discolour the water.
“It will not adversely affect the biological filter, alter the pH or discolor the water.”
manufacturer page · apifishcare.com · checked August 16, 2026
Product details
- Manufacturer states it treats
- Bacterial infections, Fin and tissue damage, Wound healing
- Chemical filtration
- Not stated by the manufacturer
- Ingredients as stated
- Described by API as an all-natural antibacterial treatment. The active is not quantified on the product page; a California Proposition 65 warning names beta-myrcene.
manufacturer page · apifishcare.com · checked August 16, 2026
Record last checked August 16, 2026 · confidence medium
Check against your tank
Change what is in your tank to see how the answer moves.
Antibacterial remedy · US formulation
The manufacturer has not addressed part of your tank.
Silence is not a clearance. Where no statement exists, treat it as unconfirmed and ask the manufacturer.
This answers for the assumed selection above, not a tank you have described. Adjust it if it is not yours.
- ShrimpNo evidence found
Widely repeated online as invertebrate safe, but API’s own product page makes no such claim — it addresses the biological filter and nothing else. We will not carry a positive verdict that the manufacturer has not made.
- SnailsNo evidence found
API makes no statement about snails on this product page, despite the claim circulating widely on retailer and forum pages.
- Live plantsNo evidence found
No statement about live plants was found on API’s product page.
See the manufacturer’s exact wording and sources for API MELAFIX →
No evidence found means no manufacturer statement was found — not that the product is safe. FishyMag does not diagnose disease or recommend treatments.
Other treatments
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.