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Fish Penicillin 250mg 100 Tablets – Powerful Broad-Spectrum Fish Antibiotic

Regular price $59.99

In Stock

  • FREE 2-5 day shipping over $49

Fish Penicillin 250mg 100 Tablets

Broad-Spectrum Antibiotic for Aquarium Fish

Fish Penicillin (Penicillin 250mg) is a reliable antibiotic used to control and treat common bacterial infections in ornamental fish, including fin rot, gill disease, tail ulcers, and body infections. Designed for aquarium use, this pharmaceutical-grade formula helps restore fish health safely and effectively.

Key Benefits

  • Treats gram-positive bacterial infections in fish
  • Ideal for fin rot, ulcers, and wound infections
  • High-quality Penicillin 250mg tablets
  • Safe for use in aquariums and ornamental ponds

Directions for Use

Add one tablet (250mg) per 40 gallons of water. Repeat every 24 hours for 5–10 days, performing a partial water change between treatments. Discontinue if no improvement is observed after 5 days.

Storage

Keep tightly sealed at room temperature (59°–86°F / 15°–30°C). For aquarium use only.

Your order of 49$ or more gets free standard delivery.

  • Standard delivered 4-5 Business Days
  • Express delivered 2-4 Business Days

Orders are processed and delivered Monday-Friday (excluding public holidays)


members enjoy free returns.

Fish Penicillin 250mg 100 Tablets – Powerful Broad-Spectrum Fish Antibiotic