Aqua Doxy (Doxycycline) 100mg – 30 Capsules
Aqua Doxy (Doxycycline) 100mg – 30 Capsules
Aqua Doxy 100mg is a reliable doxycycline fish antibiotic designed for aquarists managing bacterial infections in ornamental fish. Equivalent to Fish Doxy, this broad-spectrum antibiotic is especially effective against gram-negative bacteria. The 30-count bottle is an affordable and convenient choice for small tanks, short-term treatments, or hobbyists looking for precise dosing.
What Aqua Doxy 100mg Treats
- Fin Rot & Tail Rot – Helps stop bacterial tissue damage
- Popeye Disease – Controls bacterial swelling in and around the eye
- Gill Infections – Reduces bacterial load and supports healthy breathing
- Columnaris (Flexibacter) – Works against gram-negative outbreaks
- Systemic Infections – Useful for resistant internal bacterial diseases
Why Choose Aqua Doxy 100mg (30 Capsules)?
- Equivalent to Fish Doxy (Doxycycline)
- 100mg capsules allow precise, low-dose treatments
- Smaller 30-count bottle is ideal for small aquariums or trial use
- Pharmaceutical-grade, USP-standard quality
- Effective against gram-negative bacterial infections
- No prescription required
- Fast shipping across the USA
Product Specifications
- Active Ingredient: Doxycycline 100mg per capsule
- Quantity: 30 Capsules per bottle
- Form: Hard-shell capsules
- Use: For ornamental aquarium fish only (freshwater & saltwater)
Directions for Use
Add one capsule (100mg) per 10 gallons of aquarium water. Dissolve capsule in a small amount of water before adding for even distribution. Repeat every 24 hours for 5–10 days depending on infection severity. Perform partial water changes before each re-dose. Remove carbon filters and UV sterilizers during treatment.
Do not exceed 10 consecutive days of treatment. Stop use if no improvement is observed within 5 days.
Storage Instructions
Store tightly closed at controlled room temperature (59°F–86°F / 15°C–30°C). Protect from humidity and light.
Important Disclaimer
For aquarium use only. Not for human use, livestock, or food fish. Keep away from children and pets.
Frequently Asked Questions
Is Aqua Doxy the same as Fish Doxy?
Yes. Aqua Doxy is equivalent to Fish Doxy, containing the same active ingredient Doxycycline.
When should I choose the 30-count bottle?
The 30-count version is ideal for smaller tanks, short treatments, or aquarists looking to keep a smaller supply on hand.
Can Aqua Doxy be used in marine tanks?
Yes, Aqua Doxy is suitable for both freshwater and saltwater ornamental fish.
Will Aqua Doxy harm my biofilter?
Like other antibiotics, it may affect beneficial bacteria. Monitor ammonia and nitrite levels during treatment.