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Fish Zole (Metronidazole) 250mg 60 Tablets Fish Antibiotics

$69.99 $79.99

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Whether you're purchasing trusted Fish Mox (Amoxicillin), powerful Fish Zole (Metronidazole), or broad-spectrum solutions like Fish Flex (Cephalexin) or Fish Sulfa (Sulfamethoxazole/Trimethoprim), we keep you informed. Updated regularly, this guide helps you compare your product with the latest batch from FishAntibiotics.us.

We specialize in only the most reliable, pharmaceutical-grade aquarium antibiotics, including ciprofloxacin, azithromycin, clindamycin, and fluconazole. Buy with confidence, knowing your medication hasn’t passed its prime.


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Fish Zole Metronidazole 250mg – 60 Tablets

Fish Zole (Metronidazole) Tablets are a reliable treatment for managing bacterial and protozoan infections in aquarium fish. This broad-spectrum medication addresses common conditions like hole-in-the-head disease, gill flukes, fin rot, and internal parasites, ensuring the health and vitality of your aquatic pets.

Designed for use in both freshwater and saltwater aquariums, Fish Zole dissolves easily for effective and uniform distribution in the tank water, creating a healthier aquatic environment.

What Are the Benefits of Fish Zole (Metronidazole)?

  • Targets Protozoan Parasites: Effective against diseases caused by parasites such as Ichthyophthirius (Ich), Hexamita, and Costia, including "white spot" and "hole-in-the-head" disease.
  • Kills Harmful Anaerobic Bacteria: Treats bacteria that thrive without oxygen, addressing conditions like Fin Rot, Tail Rot, and internal bacterial infections.
  • Treats Internal and External Infections: Versatile for infections affecting the skin, gills, digestive tract, liver, or other internal organs.
  • Preserves Beneficial Aquarium Bacteria: Unlike some antibiotics, Fish Zole minimizes the impact on helpful bacteria that maintain water quality.
  • Speeds Recovery and Reduces Stress: Promotes faster healing, reduces illness-related stress, and helps fish regain their appetite and natural behaviors.
  • Safe for Freshwater and Saltwater Use: Works seamlessly in any aquarium environment without altering water parameters.

How to Use Fish Zole (Metronidazole) Tablets for Effective Results?

  • Dosage Instructions: Add one 250mg tablet per 10 gallons of water.
  • Repeat treatment every 24 hours, performing a partial water change between doses.
  • Treatment duration is typically 5–10 days, depending on the severity of the infection.
  • If no improvement occurs after 5 days, discontinue treatment and consult an aquarist or veterinarian.

Ingredients of Fish Zole (Metronidazole) Tablets

Active Ingredient: Metronidazole 250mg
Other Components: Inert binders for stable tablet formulation

Are There Side Effects to Using Fish Zole (Metronidazole) Tablets?

  • Temporary lethargy in sensitive species during treatment.
  • Potential harm to invertebrates like shrimp and snails.

Precautions for Safe Use

  • For aquarium use only; not intended for fish consumed by humans.
  • Remove activated carbon filters during treatment.
  • Monitor water parameters closely during and after treatment.

Storage Tips

  • Store at 59°–86°F (15°–30°C) in a cool, dry place.
  • Keep the container tightly closed to protect tablets from moisture and light.

Shipping & Returns

Shipping Policy: We offer all types of shipping options (Ground, Express, Priority, International) depending on the urgency of the product requirements. Read shipping policy.

Refund Policy: If you face any issue with our product and want to return it, read our refund policy here.

FAQs - Fish Zole Metronidazole 250mg 60 Tablets

What is Fish Zole (Metronidazole) Tablets used for?

Fish Zole (Metronidazole) Tablets are used to treat bacterial and protozoal infections in aquarium fish. They effectively address diseases like Hexamita, Ichthyophthirius (Ich), gill flukes, and internal parasites, helping fish recover their health and natural behaviors in both freshwater and saltwater aquariums.

How does Fish Zole (Metronidazole) Tablets work?

Fish Zole (Metronidazole) Tablets disrupt the DNA synthesis of harmful protozoa and anaerobic bacteria, preventing their replication. This action eliminates infections at their source, ensuring effective treatment for both internal and external fish diseases.

Can Fish Zole (Metronidazole) Tablets prevent infections in fish?

Fish Zole is designed to treat active infections and is not intended for preventative use. Overuse without necessity may lead to antibiotic resistance, reducing its effectiveness when truly needed.

Are Fish Zole (Metronidazole) Tablets safe for all aquarium fish?

Fish Zole is safe for most freshwater and saltwater fish when dosed appropriately. However, sensitive species may require caution, and invertebrates like shrimp and snails should be removed during treatment.

Can I use Fish Zole (Metronidazole) Tablets for newly introduced fish?

You can use Fish Zole during quarantine for new fish showing signs of infection. However, only treat if symptoms are present to avoid unnecessary medication.

How soon will I see results with Fish Zole?

Improvement is typically seen within 3–5 days of starting treatment. Fish may become more active, regain their appetite, and display healthier behavior.

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