Fish Flex – 250mg 100 Capsules
$49.95 $59.95
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Fish Flex – FLEX 250mg 100 Capsules | FixMox
Gentle Yet Effective Fish Antibiotic – Broad-Spectrum Defense
Fish Flex is a versatile fish antibiotic that provides effective treatment for a variety of bacterial infections in aquarium fish. Each capsule contains 250mg of FLEX, making it a gentler option that’s well-suited for sensitive fish or less severe infections. Discover more trusted treatments like Fish Flex at FixMox.
Key Benefits:
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Moderate Strength: 250mg FLEX per capsule—ideal for early-stage or mild infections.
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Broad-Spectrum Coverage: Targets gram-positive and gram-negative bacteria.
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Easy Administration: Capsules can be administered directly, in food, or via water treatment.
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Safe & Reliable: A well-tolerated treatment option when used as directed.
Instructions for Use
Purpose: Fish Flex is a broad-spectrum fish antibiotic used to treat common bacterial infections in aquariums.
Cautions:
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Not for human use.
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Keep away from children.
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May harm invertebrates (shrimp, snails) and sensitive plants.
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Remove carbon filtration before treatment.
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Consult an aquatic expert if using in reef tanks.
Dosage Guidelines:
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General Dosage: Use one capsule (250mg) per 10 gallons of aquarium water.
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Repeat: Dose again in 24 hours.
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Duration: Treat for 5 to 10 days. Stop treatment if no improvement is seen within 5 days.
For precise dosing, consult a vet or aquatic expert based on your tank and species.
How to Use:
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Directly to Fish: Open capsule and administer orally if possible.
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Mix with Food: Blend capsule contents with food; ensure full consumption.
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Water Treatment: Dissolve capsule in aquarium water as advised by a professional.
Ingredients:
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Active Ingredient: FLEX – 250mg per capsule
Important Notices:
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Water Changes: Perform partial water changes between treatments.
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Monitor: Observe fish for side effects.
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Discontinue: If adverse effects occur, stop treatment and consult a specialist.
Storage Recommendations:
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Store in a cool, dry, dark location.
Frequently Asked Questions
Q: What infections does Fish Flex treat?
A: Effective for fin rot, ulcers, and mild internal infections.
Q: How does it compare to Fish Flex Forte?
A: Fish Flex contains 250mg of FLEX, suitable for moderate infections. Forte contains 500mg and is used for more serious infections.
Q: Is it safe for all tanks?
A: Generally safe for freshwater setups. Caution advised for reef tanks due to invertebrates.
Your order of 50$ or more gets free standard delivery.
- Standard delivered 4-5 Business Days
- Express delivered 2-4 Business Days
Orders are processed and delivered Monday-Friday (excluding public holidays)
members enjoy free returns.



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