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Fish mox aquarium amoxicillin 250mg image

Fish mox aquarium amoxicillin 250mg

Fish Mox Amoxicillin 250mg is a broad-spectrum antibiotic used to treat bacterial infections in ornamental fish, including fin rot, gill disease, popeye, and skin ulcers. It contains amoxicillin, a penicillin-class antibiotic that works by inhibiting bacterial cell wall formation.

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Price : $39 - $235
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1 Bottle
$39
($39/Bottle )
3 Bottle
$119
($39.67/Bottle )
6 Bottle
$235
($39.17/Bottle )
BULK INQUIRY Talk with Experts
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SKU : Status : In Stock Coupon Code : FREE10
Created at : 09-04-2025
Author : Aston Carter
Updated at : 09-04-2025
Medically Reviewd By : Dr. Peter Hales

Fish mox aquarium amoxicillin 250mg contains Amoxicillin, a broad-spectrum penicillin-class antibiotic used to treat a wide range of bacterial infections in ornamental fish. It is especially effective against gram-positive bacteria and some gram-negative strains, making it a go-to solution for fish suffering from external wounds, fin and tail rot, gill infections, and other bacterial conditions. Trusted by aquarists, Fish Mox is ideal for use in both freshwater and marine aquariums.

Common Conditions Treated:

  • Fin and tail rot

  • Bacterial gill disease

  • Body ulcers and red patches

  • Pop-eye

  • Mouth fungus (Columnaris)

  • Internal infections and septicemia

  • Post-injury bacterial prevention

How It Works:
Amoxicillin interferes with bacterial cell wall synthesis, leading to cell death. It is quickly absorbed and distributed throughout the fish's system, allowing it to fight off infection from the inside out.

Product Highlights:

  • Contains 250mg of Amoxicillin per capsule

  • Effective against a wide range of bacterial infections

  • Safe for use in freshwater and saltwater tanks

  • Treats both internal and external infections

  • Dissolves easily in aquarium water

  • Excellent for use in hospital or quarantine tanks

Dosage & Directions for Use:

  • Use 1 capsule (250mg) per 10 gallons of aquarium water

  • Administer once every 24 hours for 5–7 days, or as directed

  • Perform 25% water changes daily during treatment

  • Remove activated carbon or chemical filtration prior to dosing

Precautions:

  • For aquarium use only – not for human or veterinary use

  • Do not use in fish intended for human consumption

  • Store in a cool, dry place, away from light and moisture

  • Keep out of reach of children and pets

  • Monitor fish health during treatment and discontinue if adverse effects occur

Why Choose Fish Mox 250mg?
Fish Mox (Amoxicillin) 250mg is a reliable, fast-acting antibiotic trusted by fish keepers for years. It delivers powerful treatment for many common and potentially deadly bacterial infections in ornamental fish. Whether you’re dealing with an outbreak or trying to prevent infection after an injury, Fish Mox offers the protection and peace of mind your aquarium needs.

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What is Fish Mox?

Fish Mox contains Amoxicillin 250mg, a broad-spectrum penicillin-class antibiotic. It's used in aquariums to fight a range of gram-positive and some gram-negative bacterial infections in ornamental fish.


What does it treat in fish?

Fish Mox may be used to treat: Fin and tail rot Bacterial gill disease Skin ulcers or abscesses Pop-eye (exophthalmia) Columnaris


How do I dose it in the aquarium?

One 250mg capsule per 10 gallons of water Dose once every 24 hours Continue treatment for 5–10 days Perform a 25% water change before each new dose


Should I open or crush the capsule?

Yes — open the capsule and sprinkle the powder into the tank. Stir gently to help it dissolve evenly.


Should I remove my filter media before treatment?

Yes. Remove activated carbon and other chemical media before dosing, as they can absorb the medication and reduce effectiveness.


Is it safe for all fish types?

Scaleless fish (like loaches or cory cats) Invertebrates (may be sensitive — avoid treating in tanks with shrimp/snails)


Will it affect my beneficial bacteria?

Yes. Like most antibiotics, amoxicillin can harm nitrifying bacteria in your tank, potentially disrupting the nitrogen cycle. A hospital tank is recommended if available.


Can I mix Fish Mox with other meds?

Avoid mixing with other antibiotics unless directed by an expert. Some aquarists pair it with Metronidazole or Doxycycline, but only with experience and water parameter monitoring.


Can people take Fish Mox?

No. While it contains a human antibiotic, Fish Mox is not manufactured or regulated for human consumption. Purity, storage conditions, and potency may be unreliable. Never self-medicate with fish antibiotics.


Disclaimer: The content on this page is meant for informational purposes and is not, under any circumstances, supposed to be treated as a substitute for any medical advice, diagnosis, or treatment. For any questions that you may have regarding a medical condition, it is advised to consult your physician or seek help from a qualified health provider before self-medicating. In case you have any concerns regarding the content on our website, please write to us at info@usmedilife.com
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