Thomas Labs Fish Doxy Doxycycline 100 mg 30/60 Capsules
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Thomas Labs Fish Doxy Doxycycline 100 mg 30/60 Capsules

Aqua Lab
SKU:
AS-10005-3
$89.99 $69.99
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Description

Thomas Labs Fish Doxy – Doxycycline 100mg (30/60 Capsules)

Thomas Labs Fish Doxy – Doxycycline 100mg is a versatile broad-spectrum antibiotic designed to treat bacterial infections in aquarium fish. Each capsule contains 100 mg of doxycycline, an effective treatment against gram-positive and gram-negative bacteria. Produced by Thomas Labs, this trusted fish antibiotic is available in 30 or 60 capsule packs, providing options to suit different aquarium treatment needs.

Related: Shop All Fish Antibiotics

Key Benefits

✅ Broad-Spectrum Antibiotic – Treats fin rot, tail rot, and septicemia in fish
✅ High-Quality Formula – Each capsule contains 100 mg of doxycycline for reliable treatment
✅ Safe for Aquariums – Designed to preserve aquatic health while treating bacterial infections
✅ Flexible Packaging – Available in 30 or 60 capsules for single or multiple treatments
✅ Trusted Manufacturer – Backed by Thomas Labs Fish Antibiotics

Need a different antibiotic? Check out Thomas Labs Fish Mox – Amoxicillin

Instructions for Use

Purpose: Fish Doxy is used to treat bacterial infections in aquarium fish, including gill disease, columnaris, and hole-in-the-head disease.

Dosage:

  • Add 1 capsule (100 mg) 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 antibiotic efficacy
⚠ Perform partial water changes (20-25%) between doses to maintain water quality

For additional guidance, check out our Fish Antibiotics Guide

Ingredients

Active Ingredient: Doxycycline 100 mg per capsule

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Tags:

aquarium fish, fish infections, aquariums, doxycycline, Thomas Labs, fish antibiotics, bacterial infection treatments, broad-spectrum antibiotics, antibiotics for aquarium fish, fish medications, buy fish antibiotics online, fish health

Additional Information
Short Description:
Thomas Labs Fish Doxy - Doxycycline 100 mg 30/60 Capsules is a trusted antibiotic for bacterial infections in aquarium fish, including fin rot, gill disease, and septicemia.