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Fish Pen - Penicillin 500mg 30 Tablets

$59.99 $79.99

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Fish Penicillin - Fish Pen 500mg (30 Tablets) | Aquarium Antibiotic

High-Potency Treatment for Fin Rot, Gill Disease & Other Bacterial Infections

Fish Penicillin - Fish Pen 500mg (30 Tablets) is a broad-spectrum fish antibiotic designed to combat gram-positive bacterial infections in freshwater and saltwater aquariums. Each tablet delivers 500mg of penicillin, an effective treatment for fin rot, gill disease, columnaris, and septicemia. This trusted aquarium antibiotic ensures safe and efficient bacterial infection control without disrupting the aquatic environment.

Explore More Fish Antibiotics

Key Benefits

Broad-Spectrum Antibiotic – Targets fin rot, columnaris, septicemia, and gill disease in aquarium fish.
High-Potency Formula – Each 500mg tablet delivers a strong and consistent bacterial treatment.
Safe for Aquarium Use – Specifically formulated for freshwater and saltwater environments, ensuring ecosystem balance.
Convenient Packaging – Includes 30 tablets, ideal for single or multiple treatments.
Trusted Quality – Manufactured under strict quality standards for purity and effectiveness.

Dosage Instructions

Add 1 tablet (500mg) per 10 gallons of aquarium water.
Repeat every 24 hours for 5-10 days, depending on infection severity.

Usage Tips & Cautions

Remove activated carbon filters during treatment for maximum effectiveness.
Monitor water quality and perform 20-25% water changes between doses.
Not for human use.

Ingredients

  • Active Ingredient: Penicillin 500mg per tablet.

Related Products

Fish Penicillin – Treating “Mouth Fungus” (Columnaris) and Fin Rot

Fish Penicillin – Treating “Mouth Fungus” (Columnaris) and Fin Rot

Usually ships within 1 business day to USA & CANADA

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FREE SHIPPING ON ALL ORDERS
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  • FedEx 2Day®: $29.95, 1-Business Days (FedEx)
More Shipping Info:
  • Orders placed Monday-Friday before 2pm Central Time usually ship the same day.
  • We ship to the USA And Canada only.
Fish Penicillin - Fish Pen 500mg Tablets (30 Count) By Thomas Labs - Thomas labs fish antibioticsFish Penicillin - Fish Pen 500mg Tablets (30 Count) By Thomas Labs - Thomas labs fish antibioticsFish Penicillin - Fish Pen 500mg Tablets (30 Count) By Thomas Labs - Thomas labs fish antibiotics