Ueno Elbagin 10% Yellow Powder Fish Treatment – 50 g

Ueno Elbagin 10% Yellow Powder is a medicinal bath treatment for ornamental fish. Its active ingredient, sodium nifurstyrenate, has antibacterial activity against susceptible Aeromonas and Columnaris bacteria associated with common infections in koi, funa, goldfish, and freshwater tropical fish.

Key Benefits

• Antibacterial bath treatment: Intended for bacterial conditions associated with susceptible Aeromonas and Columnaris organisms.
• Useful during quarantine and transport: Commonly used by ornamental-fish keepers during handling, shipping, and quarantine.
• Flexible treatment periods: Reference directions provide both a concentrated four-hour bath and a lower-concentration 24-hour bath for koi, funa, and goldfish.
• Breeder-established product: Elbagin has a long history of use among ornamental-fish breeders and keepers.

Product Details

• Package size: 50 g
• Form: Yellow granular powder
• Active ingredient: Sodium nifurstyrenate
• Concentration: 100 mg active ingredient per 1 g of Elbagin (10%)
• Use: Medicinal bath for ornamental freshwater fish
• Country of origin: Japan

Reference Applications

Elbagin is referenced for bacterial infections caused by organisms sensitive to sodium nifurstyrenate, including:

• Koi and goldfish: Aeromonas-associated ulcers, dropsy, and scale infections; Columnaris-associated gill rot, fin rot, and mouth rot.
• Freshwater tropical fish: Columnaris-associated bacterial infections.

Reference Bath Directions

Dissolve the measured amount completely in a separate treatment tank. The quantities below are stated per 100 liters (approximately 26.4 US gallons) of treatment water.

Koi & Goldfish

• Four-hour bath: 5–10 g per 100 liters, equal to 0.5–1 g of active ingredient.
• 24-hour bath: 1–2 g per 100 liters, equal to 0.1–0.2 g of active ingredient.

Freshwater Tropical Fish

• 24-hour bath: 1 g per 100 liters, equal to 0.1 g of active ingredient.

Important Use & Safety Information

• Use only in a separate treatment or quarantine tank and calculate the actual water volume accurately.
• Follow the original package insert if its instructions differ from this reference summary.
• Do not combine with other medications unless directed by a qualified aquatic veterinarian or fish-health professional.
• Store tightly sealed in a cool, dry place away from direct light.
• Keep out of reach of children and pets.
• For ornamental fish only. Not for fish intended for human consumption.

Disclaimer: Fish sensitivity, water quality, temperature, and concurrent treatments can affect results. Incorrect dosing, mixing, or use outside the directions may harm fish. The keeper is responsible for measuring accurately and monitoring fish throughout treatment.