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Disinfectants used in shrimp farms have a direct impact on the success rate of aquaculture.

In particular, "Pure O2" high-concentration pure chlorine dioxide liquid shows many advantages over hydrogen peroxide (H₂O₂) and chlorocalci (calcium hypochlorite) that are widely used in existing aquaculture farms in terms of biological, environmental, and economic aspects.

✅ 1. Advantages of using "Pure O2" high-concentration pure chlorine dioxide liquid

Item Description

① Wide range of sterilizing power Quickly removes all pathogens such as viruses, bacteria, fungi, protozoa, and biofilms. Especially effective in removing bacteria and viruses such as Vibrio spp., Aeromonas spp., ichthyosis, parvovirus, and microsporidia.

② No harmful residues. Pure O2 high-concentration chlorine dioxide liquid is based on oxygen and does not contain any carcinogens such as chlorate or trihalomethane.

③ No toxicity to shrimp. Pure ClO₂ liquid is a selective oxidizer and only destroys protein and enzyme structures, so it is excellent in safety for shrimp tissue (gills, hepatopancreas, etc.).

④ Water quality stabilization Oxidizes odorous substances (H₂S, NH₃, methyl organic substances) to reduce turbidity, increase dissolved oxygen, and stabilize pH.

⑤ No effect on pH. Unlike other chlorine products, it is a substance close to neutrality with pH 6.5~7.0 and does not harm the acid-alkaline balance of the tank.

⑥ High-purity product with international biosafety certifications such as FDA, ISO13485, CE, eco-label, KFDA, UAE MOH, ECHA, etc. Multinational certifications completed.

⑦ No problem with resistant bacteria. Sterilizes through oxidation reaction of all organisms rather than suppressing specific bacteria like antibiotics, and almost no formation of resistant bacteria.

⚠️ 2. Disadvantages and problems when using hydrogen peroxide (H₂O₂)

Item Problem Description

① Toxicity at high concentration: When used at a concentration of 50~100ppm or more, it can cause shrimp gill epithelial cell necrosis, increased stress, and decreased immunity.

② Oxidizing power limit It is a strong oxidizer, but its sterilization effect is slower and weaker than ClO₂, and its ability to remove biofilm and mucus is particularly poor.

③ High reactivity makes it difficult to manage. It is sensitive to light, temperature, and pH, so it decomposes quickly during storage, and it is difficult to maintain the effective ingredients.

④ Large effect of water quality conditions When the pH is low, the decomposition of H₂O₂ is accelerated, reducing the effect. The effect varies greatly depending on the water quality.

⑤ Lack of continuous effect H₂O₂ decomposes immediately after the reaction, so it lacks a long-term residual sterilization effect, and continuous re-injection is required.

⑥ Risk of mixed use When reacting with metals such as Cl, Cu, and Fe, peroxide radicals are generated, posing a risk of explosion.

⚠️ 3. Disadvantages and problems when using chlorocalci (calcium hypochlorite)

Item Problem Description

① Risk of generating carcinogenic byproducts such as trihalomethanes (THMs) and chlorates by reacting with organic matter.

② Damage to shrimp gills Chlorine-based substances cause direct oxidative stress on gills and skin tissues, and there is a high risk of acute death.

③ Deterioration of water quality After adding Cl-based substances, pH in the tank increases (alkalization) → conversion to ammonia form (NH₄⁺→NH₃) → increased toxicity

④ Uneven dissolution Solid products may spread or precipitate unevenly in the water, causing damage to organisms due to increased local concentration

⑤ There is a risk of spontaneous heat generation, gas generation, and explosion when in contact with decomposing moisture during storage, so great care is required in management

⑥ Strong sterilization power, but low sustainability Active chlorine quickly evaporates, resulting in a short-term sterilization effect followed by a sharp decrease in effectiveness, and burden of continuous use.

✅ Summary Conclusion

PureO2's high-concentration pure chlorine dioxide liquid is very advantageous for shrimp farms due to the following advantages:

Balance of biosafety and sterilization

Water quality improvement effect (odor removal, DO increase, pH stability)

Sterilization without resistant bacteria, low toxicity

Maintaining clean water quality without residue

* Hydrogen peroxide water is suitable for auxiliary water quality management, but lacks sterilization power and stability,

* Chlorocalci is advantageous in terms of cost, but is very high in risk of biological damage and carcinogenic byproducts, making it unsuitable for long-term use.

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