Trichloroisocyanuric acid

Trichloroisocyanuric acid for fish farming

Trichloroisocyanuric acid for fish farming
Trichloroisocyanuric acid for fish farming
Chemical formula
Beauty chemical
Class No.
Trichloroisocyanuric acid is a commonly used crystalline powder or tablet disinfectant, which has a good disinfection effect in fish farming. Proper disinfection and dosage of Trichloroisocyanuric acid will get a good disinfection effect.

Parameters of Trichloroisocyanuric Acid

CAS number: 87-90-1

Molecular formula: C3O3N3CL3

Molecular weight: 232.40900

English name: 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione

USS Belstein/MDL: MFCD00006553EINECS: 201-782-8

Appearance and properties: white crystalline powder or flake

Density: 2.07

Melting point: 249-251oC (lit.)

Boiling point: 272.3oC at 760 mmHg

Flash point: 121oC

Water solubility: 1.2g/100mL (25oC)

Storage conditions/storage methods:

The warehouse is ventilated, low-temperature and dry, and stored separately from fuel, organic matter, and easily oxidized

Packing: 1/5/10/20/25/50KG drum, 1000kg bag, etc.

Variety: Powder, Granular (8-30mesh/20-40mesh), Flake (15/20/30/50/100/150/200/250/500g)


Introduction of Trichloroisocyanuric Acid

Trichloroisocyanuric acid, also known as strong chlorine essence, is a white crystalline powder, containing 80% to 85% of available chlorine, and has a chlorine odor; it is chemically stable, slightly soluble in water, and its aqueous solution is acidic. It decomposes when it encounters acid or alkali. Is a very strong oxidizing agent and chlorinating agent. The higher the alkalinity of the water, the lower the drug effect, so the application of quicklime affects the drug effect of trichloroisocyanuric acid; in addition, the drug cannot be mixed with phosphorus-containing drugs. Therefore, when using Trichloroisocyanuric acid for disinfection in fish farming, the above points should be paid attention to. Know the shape of Trichloroisocyanuric acid before using it.


The main disinfection effect of Trichloroisocyanuric acid

Trichloroisocyanuric acid (TCCA) is a highly effective disinfectant widely utilized in various applications, including fish farming. Its main disinfection effect is attributed to its potent antimicrobial properties, making it a valuable tool for maintaining water quality and preventing disease outbreaks.

Broad-Spectrum Action: TCCA is known for its broad-spectrum disinfection capabilities. It exhibits a strong killing effect not only on bacteria but also on viruses, fungi, and spores. This comprehensive antimicrobial activity ensures that a wide range of potential pathogens can be effectively controlled.

Low Toxicity and Safety: TCCA is favored for its relatively low toxicity to aquatic organisms, including fish, when used within recommended dosage levels. This characteristic enhances its safety profile for aquatic environments while effectively eliminating harmful microorganisms.

Specific Fish Disease Control: When applied at a dosage of 0.07-0.10 g/m3, TCCA demonstrates remarkable effectiveness against specific fish diseases caused by myxobacteria and Aeromonas bacteria. These pathogens are known culprits behind various fish health issues. By targeting these specific disease-causing agents, TCCA contributes significantly to disease prevention and management in fish ponds.

Optimal Dosage for Enhanced Effectiveness: The disinfection effect of TCCA is optimized when used at appropriate dosages in fish ponds. Careful consideration of the water volume, disease risk, and environmental conditions helps ensure that TCCA achieves its maximum disinfection potential without adversely impacting fish or other aquatic life.

Fish Pond Application: TCCA can be applied as granules or tablets to fish ponds. The disinfection process involves the release of chlorine, which acts as a potent oxidizing agent, breaking down the cell structures of microorganisms and rendering them inactive. Proper mixing and distribution of TCCA ensure uniform disinfection throughout the water body.

Preventing Disease Outbreaks: By effectively eliminating pathogenic microorganisms, TCCA helps prevent disease outbreaks among fish populations. This proactive approach to water quality management is vital for ensuring the health and well-being of the aquatic organisms and contributes to the overall success of fish farming operations.

In conclusion, the main disinfection effect of Trichloroisocyanuric acid lies in its ability to combat a wide range of microorganisms, including bacteria, viruses, fungi, and spores. Its low toxicity, specific efficacy against key fish pathogens, and optimal dosage considerations make it an invaluable tool in fish pond management. When used correctly and judiciously, TCCA contributes to creating a safe and thriving environment for fish, supporting sustainable and successful fish farming practices.

Main uses of Trichloroisocyanuric acid

Trichloroisocyanuric acid is mainly used for disinfection. It is often used in clearing ponds and preventing bacterial diseases, such as gill rot, enteritis, red skin disease, etc. As long as these fish farming diseases are prevented, the survival rate of fish will be greatly improved. Trichloroisocyanuric acid is very effective in disinfecting this fish pond.

Usage and Dosage

  • Disinfect the clear pond with water, the dosage is 10-15 g/m3, which can kill wild fish, shrimp, mussels, aquatic insects, etc. within 1 hour; fish can be released after 10 days.

  • To prevent and control bacterial fish diseases, use the whole pool to spray, and the amount can be determined according to the water temperature. Generally, when the water temperature is lower than 28°C, use 0.5 g/m3; when the water temperature is between 28 and 30°C, use 0.4 g/m3; When the water temperature is higher than 30°C, use 0.3 g/m3.


1) Store in a dry and ventilated place, do not mix or use together with acid and alkali substances, and do not contact with metal utensils.

2) The liquid medicine is ready to use, and it is advisable to apply the medicine in the morning or evening on sunny days.

3) The study on the pharmacological changes of trichloroisocyanuric acid after oral administration is still blank, so it should not be taken orally. If it is used to treat skin diseases and there are no lesions in the intestinal tract, taking trichloroisocyanuric acid orally will not be beneficial to the treatment except to stimulate appetite.


What is the role of trichloroisocyanuric acid (TCCA) in fish farming?

TCCA is used in fish farming as a water treatment agent to disinfect and sanitize the fish pond or tank water. It helps control and prevent the growth of harmful bacteria, viruses, and parasites that can negatively impact fish health.

How is TCCA applied in fish farming?

TCCA is typically added to the fish pond or tank water in granular or tablet form. It dissolves in water and releases chlorine, which acts as a powerful disinfectant, helping to maintain water quality and reduce the risk of disease outbreaks among the fish population.

Is TCCA safe for fish in aquaculture systems?

When used correctly and in appropriate concentrations, TCCA is generally considered safe for fish in aquaculture systems. However, careful dosing and monitoring are crucial to prevent chlorine levels from becoming too high, which could harm fish health.

What benefits does TCCA offer in fish farming?

TCCA helps maintain optimal water quality by reducing microbial load and preventing waterborne diseases. It contributes to healthier fish, improved growth rates, and reduced mortality rates, thereby enhancing the overall productivity of the fish farm.

How often should TCCA be used in fish farming?

The frequency of TCCA application depends on various factors, including water quality, stocking density, and disease risk. It is recommended to follow guidelines from aquaculture experts or consult with professionals to determine the appropriate dosing schedule.

Can TCCA be used in all types of fish farming systems?

TCCA is suitable for a wide range of fish farming systems, including ponds, tanks, and recirculating aquaculture systems (RAS). However, the application rate may vary based on the specific characteristics of each system.

Does TCCA affect the pH of fish pond water?

TCCA can have a slight impact on the pH of fish pond water due to the release of chlorine. Monitoring and adjusting the pH levels as needed is important to ensure optimal water conditions for the fish.

Are there any precautions when using TCCA in fish farming?

It's essential to strictly follow dosing guidelines to avoid overexposure of fish to chlorine. Proper mixing and distribution of TCCA in the water are important to ensure uniform disinfection and prevent localized high chlorine levels.

Can TCCA be harmful to fish if overdosed?

Overdosing TCCA can lead to elevated chlorine levels, which may stress or harm fish. It's important to calculate and apply the correct dosage based on the water volume and concentration of TCCA to prevent adverse effects on fish health.

(Note: The use of chemicals in aquaculture requires proper knowledge and adherence to guidelines. Seek advice from aquaculture experts before introducing any chemical into fish farming systems.)

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