Fish Penicillin - Fish Pen 500mg Tablets (30 Count) By Thomas Labs
Sale

Fish Penicillin - Fish Pen 500mg Tablets (30 Count) By Thomas Labs

Aqua Lab
SKU:
AS-10015-8-AQ
$79.99 $59.99
(No reviews yet)
**All the products we sell do not require a prescription

**usually ships within 1 business day to USA**

Current Stock:
Adding to cart… The item has been added
assets/payment-logo (1).jpg
Description

Thomas Labs Fish Pen 500mg (30 Tablets) – Fish Penicillin

Thomas Labs Fish Pen 500mg is a trusted broad-spectrum fish antibiotic designed to treat bacterial infections in aquarium fish. Each tablet contains 500mg of penicillin, an effective solution for gram-positive bacteria, including fin rot, gill disease, and columnaris.

? Explore: All Fish Antibiotics

Key Benefits

✔ Broad-Spectrum Antibiotic – Effectively treats fin rot, tail rot, and columnaris in aquarium fish
✔ High-Potency Formula – Each tablet contains 500mg of penicillin for maximum treatment effectiveness
✔ Safe for Aquatic Environments – Designed to preserve water quality while combating bacterial infections
✔ Trusted by Aquarists – Backed by Thomas Labs Fish Antibiotics
✔ Convenient Packaging – 30 tablets per bottle, ideal for short-term treatments or multiple uses

Looking for a larger pack? Check out Fish Pen Forte – Penicillin 500mg (60 Tablets)

Instructions for Use

Purpose: Fish Pen is used to treat bacterial infections in aquarium fish, including fin rot, septicemia, and gill disease.

Dosage:

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

Cautions:
⚠ Not for human use
⚠ Remove activated carbon filters during treatment for maximum effectiveness
⚠ Perform partial water changes (20-25%) between doses to maintain water quality

For more details, refer to our Fish Antibiotics Usage Guide

Ingredients

Active Ingredient: Penicillin 500mg per tablet

Explore More Products:

Related Resources

Buy fish antibiotics and aquarium medications at The Fish Antibiotics
Explore trusted fish antibiotics at The Fish Aid
Find premium pet antibiotics at Thomas Pets
Discover high-quality aquarium medications at Thomas Labs Pets
Shop effective aquarium antibiotics at Aqua Antibiotics

Tags:

aquarium fish, fish infections, penicillin, thomas labs, fish antibiotics, bacterial infection treatments, broad-spectrum antibiotics, fish medications, fish penicillin, buy fish antibiotics online, fish health

Additional Information
Short Description:

Fish Penicillin - Fish Pen 500mg Tablets (30 Count) by Thomas Labs is a broad-spectrum antibiotic for bacterial infections in aquarium fish, including fin rot and septicemia.