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Fish Doxy - aquarium Doxycycline 100 mg capsules 30 count - 2 Pack

  • $87.95
  • Regular price $119.95
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Fish Doxy - aquarium Doxycycline 100 mg capsules 

Description: Fish Doxycycline is an antibiotic that exerts a bactericidal action on gram-positive and some gram -negative bacteria in fish. This fish antibiotic is useful for control of some common bacterial diseases in fish, including Septicemia, Mouth Rot, and Fin and Tail Rot.

This product is USP grade and manufactured in the USA

Available Sizes/Strengths

Active Ingredients: Doxycycline Hyclate 100 mg


  • Add 1 tablet (100 mg) into aquarium for every 15 gallons of water to be treated. Repeat in 24 hours. It is suggested that a partial water change be made between treatments. While duration of treatment depends on type and severity of infection, it is recommended that extended medication baths continue for a minimum of 5 days but not more than 10 days. Discontinue treatment if no improvement is noted within 5 days. To remove harmless yellow color, change 20% of water and use charcoal filter until clear.

Caution:For aquarium and ornamental fish only. Not for human use. This product should not be given to fish intended for human consumption. Keep out of the reach of children and animals. Keep container tightly closed and in a cool dry place. In case of accidental overdose, contact a health professional immediately. 

Customer Reviews

Based on 6 reviews
Great antibiotics

Pets are all healthy

Quality seems very good

Thanks for the quality product.

As expected product with Great Service

I have tried both brands seller has and they are both great. Very satisfied as usual!

Glad to find this

I am glad this and other "fish" antibiotics are available.

John A
exactly what I needed

so glad to find this here as the last place i got it quit carrying it.