Overview
NT Labs Acriflavin 250 ml is a trusted antibacterial and antiseptic solution ideal for treating external bacterial infections such as fin, mouth or tail rot, ulcers, and swim bladder disease in koi, pond, and aquarium fish. It’s also effective in treating early white spot when combined with supportive care.
Key Features
- Targets harmful bacteria like Aeromonas and Pseudomonas that cause fin rot, ulcers, and swim bladder infections
- Mild antiseptic action promotes healing of existing wounds and lesions
- Safe for use in freshwater, marine, and pond systems (including shrimp and snails)
- Available in 250 ml, 500 ml, 1 L, and 2.5 L sizes; enough to treat from 9,000 L (≈2,000 gallons) upward
Dosage & Treatment Protocol
| Volume | 10 ml treats ~80 gal (≈363 L) |
|---|---|
| Course | Single dose usually sufficient; may repeat after 7–10 days if needed |
- Calculate tank or pond volume accurately using NT Labs dosage calculator
- Mix required dose in clean water and pour evenly over the surface
- Switch off UV until the green/yellow colour fades
- Aerate the water well throughout treatment
- Observe fish closely; avoid mixing with other medications
- Perform a partial water change after 7–10 days before any re-treatment
When to Use
- Signs of fin rot, ulcerations, red blotches, missing scales, or mouth erosion
- Swim bladder-related buoyancy disorders
- After injury or transport stress to prevent secondary bacterial infections
Safety Considerations
- Not recommended at water temperatures above 30 °C or in extreme weather
- Do not use concurrently with carbon, zeolite, or UV clarification systems
- Avoid unnecessary routine use—beneficial bacteria are essential for tank health
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