---
product_id: 70126946
title: "NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml"
brand: "nt labs"
price: "₩119282"
currency: KRW
in_stock: true
reviews_count: 13
category: "Nt Labs"
url: https://www.desertcart.kr/products/70126946-nt-labs-koi-care-acriflavin-koi-medicine-koi-treatment-fin
store_origin: KR
region: South Korea
---

# 7-day treatment cycle Dosage based on pond volume (L) 80 mg/100ml Acriflavine neutral NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml

**Brand:** nt labs
**Price:** ₩119282
**Availability:** ✅ In Stock

## Summary

> 🐟 Heal your koi like a pro—because your pond deserves the best!

## Quick Answers

- **What is this?** NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml by nt labs
- **How much does it cost?** ₩119282 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/70126946-nt-labs-koi-care-acriflavin-koi-medicine-koi-treatment-fin)

## Best For

- nt labs enthusiasts

## Why This Product

- Trusted nt labs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Industry Leader:** Backed by 40 years of koi care expertise, the go-to solution for serious koi enthusiasts.
- • **Precision Dosage Control:** Calculate exact pond volume for tailored treatment—no guesswork, just results.
- • **User-Friendly Application:** Simple mix-and-pour method with clear instructions and online dosage calculator.
- • **Powerful Antiseptic Action:** Clinically proven 80 mg/100ml Acriflavine neutral targets bacterial infections fast.
- • **Comprehensive Infection Coverage:** Effectively treats fin, tail, mouth rot, and ulcers to restore koi vitality.

## Overview

NT Labs Koi Care Acriflavin is a potent 1000ml liquid treatment containing 80 mg/100ml Acriflavine neutral, designed to combat bacterial infections such as fin, tail, and mouth rot in koi fish. Easy to dose based on pond volume, it requires a 7-day treatment period with UV filtration off and aeration on. Trusted for over 40 years, this antiseptic solution is a must-have quarantine and healing product for koi keepers aiming for healthy, vibrant fish.

## Description

Free delivery and returns on eligible orders. Buy NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml at desertcart UK.

Review: Quality treatment - One of my koi had developed a nasty infection. It's body was covered, and one fin was very red, looked as though it was rotting. And no it wasn't koi pox. Have to say after the second treatment, very nicely recovered. Throughly recommend.
Review: Excellent result - The product did what the label said it would so would recommend product.

## Features

- Use biocides safely. Always read the label and product information before use.
- 【 ANTISEPTIC AND ANTI-BACTERIAL TREATMENT FOR KOI 】: Use when fish show symptoms of a bacterial infection, or as a quarantine solution before adding new fish.
- 【 TREATS FIN, TAIL & MOUTH ROT AND ULCERS 】: A powerful antiseptic, anti-bacterial treatment for mouthrot, tailrot and finrot. Acriflavin can also be used in conjunction with NT Labs Ulcer Swab and NT Labs Propolis Wound Seal for the treatment of ulcers and other open wounds.
- 【 EASY TO USE 】: To work out the required dosage for your pond, simply calculate the volume of your pond in litres (length x width x depth (in cm)/1000) or alternatively, use our Online Dosage Calculator. Mix the appropriate dosage in a clean bucket of pond water, pour evenly over the surface of the pond and leave for 7 days. Switch off UV filtration until the colour has gone from the water. Aerate the pond well during treatment. If you feel a repeat dose is necessary, check your diagnosis using the Diagnosis Tool; a different medication may be more suitable. Allow 7 days after medicating and perform a partial water change before re- treating or treating with a different medication.
- 【 EFFECTIVE ACTIVE INGREDIENTS 】: Koi Care Acriflavin contains Acriflavine neutral (80 mg/100ml). This ingredient makes it a powerful solution to treat bacterial infections in koi.
- 【 THE LEADING RANGE OF KOI CARE PRODUCTS 】: The most highly regarded range of koi products in the industry, trusted for 40 years by both trade customers and consumers alike, this range effectively cares for and protects koi in the environment in which they live. From products that treat parasitic or bacterial infections to a tap water dechlorinator, the NT Labs Koi Care range offers koi enthusiasts everything they could possibly need to keep perfect koi and an equally perfect koi pond.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003ZGBXF2 |
| Batteries required | No |
| Best Sellers Rank | 25,497 in Pet Supplies ( See Top 100 in Pet Supplies ) 31 in Water Garden & Pond Treatment 393 in Aquarium Water Quality Testing & Treatment |
| Colour | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (297) |
| Date First Available | 12 Aug. 2010 |
| Item Form | Liquid |
| Item Weight | 1.07 kg |
| Item model number | NT Labs |
| Number of Items | 1 |
| Package Dimensions | 24.9 x 8.5 x 7.8 cm; 1.07 kg |
| Quantity | 1 |
| Size | 1 l (Pack of 1) |
| Specific Uses | Outdoor |

## Product Details

- **Brand:** NT Labs
- **Item form:** Liquid
- **Item weight:** 1.07 Kilograms
- **Liquid volume:** 1000 Millilitres
- **Manufacturer:** NT Labs

## Images

![NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml - Image 1](https://m.media-amazon.com/images/I/61-UnTxaqHL.jpg)
![NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml - Image 2](https://m.media-amazon.com/images/I/71623FtPs6L.jpg)
![NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml - Image 3](https://m.media-amazon.com/images/I/71KptQH5d2L.jpg)
![NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml - Image 4](https://m.media-amazon.com/images/I/71XonzIwn7L.jpg)
![NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml - Image 5](https://m.media-amazon.com/images/I/71nsKGLO+5L.jpg)

## Questions & Answers

**Q: How long is the green dye meant to last in the water i mean the colour**
A: I usually Leave it a day and then fill a glass with water from the pond. If it is clear, I turn the UV back on (it is usually clear).

**Q: Can this be used in winter?**
A: I personally do not apply any treatment if the pond water temperature is below 10 Celsius. Under the FAQ section of NT Labs Koi Care - Acriflavin it states: "The minimum "effective" water temperature when applying a treatment/medicine is 10 degrees Celsius. At lower temperatures, everything happens more slowly. Below this temperature treatments may be less effective. Please note that ALL fish keepers have a duty of care to the fish and it may be necessary to treat anyway."

**Q: Can this be used same time as fmg please?**
A: Not sure what FMG is? But it's not recommended to use anything else at the same time

**Q: How much do i use in 100 gallons**
A: You need to use 10 ml of product t 80 imp gallons.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality treatment
*by A***R on 19 October 2025*

One of my koi had developed a nasty infection. It's body was covered, and one fin was very red, looked as though it was rotting. And no it wasn't koi pox. Have to say after the second treatment, very nicely recovered. Throughly recommend.

### ⭐⭐⭐⭐⭐ Excellent result
*by R***M on 12 August 2024*

The product did what the label said it would so would recommend product.

### ⭐⭐⭐⭐ May be will take longer time to work
*by H***S on 20 January 2026*

Take time to work so far I used it twice in my pond but did not see any signs of treatment is working or not the fish still the same no signs of improvement.

## Frequently Bought Together

- NT Labs Koi Care Acriflavin, Koi Medicine, Koi Treatment for Fin, Tail & Mouth Rot and Ulcers, Treats Bacterial Infections in Koi, Quarantine Solution for Koi, 1000ml
- NT Labs Koi Care Malachite, Koi Medicine, Malachite Green, Anti-Fungal Treatment for Koi, Treats Fungus Caused by Saprolegnia, 1000ml

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-31*