API® E.M. ERYTHROMYCIN Fish Remedy
API® E.M. ERYTHROMYCIN fish remedy helps broad spectrum treatment and control of bacterial disease, such as body slime, mouth fungus, Furunculosis (open lesions and swelling), bacterial gill disease and hemorrhagic septicemia (blood spots without sign of skin damage). For use in both freshwater and saltwater aquariums. Can be used with any API Ich, fungus or parasite remedy to help prevent secondary bacterial infection. This fish remedy will not color the aquarium water.
Product Specifications
| Component | Details |
|---|---|
| Active Ingredient | Erythromycin |
| Form | Medication (10 count) |
| Usage | Bacterial disease treatment in freshwater and saltwater aquariums |
| Compatibility | Safe to use with API Ich, fungus, or parasite treatments |
| Water Color Effect | None |
FAQ
Can this medication be used in a freshwater aquarium?
Yes, this medication is suitable for use in both freshwater and saltwater aquariums.
Will the medication affect the water color?
No, this fish remedy will not color the aquarium water.
Can it be used alongside other API treatments?
Yes, it can be used with any API Ich, fungus, or parasite remedy to help prevent secondary bacterial infections.

Megan Berry –
Used this remedy when my fish developed white spots and open sores. It worked well within a few days. The fish showed improvement in gill health and appetite. No water discoloration was observed. Easy to mix and apply.
Sonia Brown –
Helped treat a bacterial infection in my betta fish. The symptoms like body slime and blood spots reduced after a week of use. Works well with my existing parasite treatment.
Jacob McLean –
Great product for preventing secondary infections after treating fungus. My fish recovered quickly and stayed healthy. No side effects or water color changes.