Thomas Labs Fish Doxycycline 100mg Capsules (30 Count)
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Thomas Labs Fish Doxycycline 100mg Capsules (30 Count)

Aqua Lab
SKU:
AS-10005-5
$79.99 $69.99
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Description

Thomas Labs Fish Doxycycline – 100mg 30 Capsules

Thomas Labs Fish Doxycycline – 100mg is a trusted 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. Manufactured by Thomas Labs, this antibiotic provides a reliable solution for infections like fin rot, gill disease, and septicemia.

Related: Shop All Fish Antibiotics

Key Benefits

✅ Broad-Spectrum Antibiotic – Targets fin rot, tail rot, columnaris, and gill disease in fish
✅ Potent Formula – Each capsule delivers 100 mg of doxycycline for effective and consistent treatment
✅ Safe for Aquatic Use – Formulated to protect fish and aquatic ecosystems while treating infections
✅ Compact Size – The 30-capsule pack is perfect for single treatments or small aquariums
✅ Trusted Manufacturer – Backed by Thomas Labs, a leader in fish antibiotics

Need a larger pack? Check out Fish Doxycycline 100mg (60 Count)

Instructions for Use

Purpose: Fish Doxycycline is used to treat bacterial infections in aquarium fish, including fin rot, columnaris, and popeye.

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 from aquarium filters during treatment to maximize antibiotic effectiveness
⚠ 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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Additional Information
Short Description:
Thomas Labs Fish Doxycycline 100 mg Capsules (30 Count) is a trusted broad-spectrum antibiotic for bacterial infections in aquarium fish, including fin rot and septicemia.