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Antibiotic Treatments (Freshwater vs. Saltwater)
🔹 When to Use Antibiotics?
- 🩸 Dropsy – Pinecone scales, bloating.
- 🩸 Septicemia – Internal bacterial infection; red streaks in the body.
- 🩸 Swim Bladder Infections – Bacterial causes (not physical injury).
🔹 Freshwater Treatment
- ✅ Kanaplex (Kanamycin) – Best for internal bacterial infections.
- ✅ Metroplex (Metronidazole + Kanamycin) – Covers bacterial + protozoan mixes.
- ✅ Nitrofurazone – Broad-spectrum; effective against resistant infections.
🔹 Saltwater Treatment
- ✅ Neomycin – Effective against Vibrio & Mycobacterium.
- ✅ Doxycycline / Minocycline – Safe for marine fish; fights resistant bacteria.
- ✅ Erythromycin – Mild but safe for reef tanks (at proper doses).
⚠️ Saltwater Note
Some antibiotics (such as Nitrofurazone) can harm corals and invertebrates. Use in a quarantine tank whenever possible.