Application of Chlorine Dioxide in Aquaculture

About the identification of chlorine dioxide

1, the color is light yellow, if the red or dark is added dichlorine or trichlorin

2. The place of origin (except OEM) is mainly Shandong, and part of Hebei and Shanxi

3, content identification: a maximum of 8% or 8-10%, more than this content is false

4. Dissolving time: The melting time of genuine additive without release agent is about one minute. If it reaches 2 minutes or more, it is false. When insoluble in the melting process, something else is added.

Some farmers believe that chlorine dioxide is placed in the pond and it is considered to be good chlorine dioxide because of the violent reaction, bubbling, and buzzing. This view is wrong. This is only the case when the pond is in the absence of oxygen. This phenomenon will not occur when the pond is not deprived of oxygen.

Cautions when using chlorine dioxide

Since chlorine dioxide generates chlorine by oxidation reaction, it will cause stress reaction when it is used. It is not recommended to use chlorine dioxide to disinfect if bleeding or fishy lesions are found.

I first introduce you in order: color, light yellow, the so-called light yellow is transparent, relatively clear color. We placed chlorine dioxide in a transparent glass and melted. The color was light, similar to gold, but lighter than gold, which is the color of genuine chlorine dioxide. If it is deep, there are two cases, one is a relatively high content, like the content of 20% of dichloro;

The other is redness or darkening, which is added with sodium dichloroisocyanurate or sodium trichloroisocyanurate in order to achieve chlorine content from the surface.

1. Does the earth pond raise chlorine dioxide regularly?

Shrimp can be used regularly with chlorine dioxide. But this thing, I mean to use as little as possible with less use. The current domestic market for chlorine dioxide is not the same as the production of raw materials for aquatic products and drinking water. In other words, the indicators of drinking water can reach no residue, but it is not easy to say what aquaculture uses.

2, if the fake will affect the growth?

The use of fake will certainly affect the growth of shrimp. If dichloro or trichlorosilane is used inside, there will be residual chlorine. First, it can produce drug resistance, and second, it is easy to produce carcinogens.

3, shrimp, crabs and polyculture, can you use it?

It is not recommended to use chlorine dioxide to disinfect crabs because the stress response of crabs is very large. When they are not well-handed, they can easily cause death.

4, it seems that people use a dichloride, the content is more than 7.0 to 9.0, so that 8-10 content is genuine, right?

The content of 8-10% of the genuine one-component chlorine dioxide tablets must reach eight or more, and if it is seven o'clock, it is unqualified.

5. What are the requirements for use?

One is the use of time, the second is the amount of use. General packaging will use instructions.

Is it safe? Does shrimp have an impact on its growth?

Chlorine dioxide as a disinfectant does not affect the growth of shrimp. If false or impure chlorine dioxide is used, it will definitely affect the growth of shrimp.

7. Is chlorine dioxide used for disinfection?

The main role of chlorine dioxide is disinfection.

8, muddy pond can use it?

Muddy ponds can be used. Nowadays, many trichosanthes are used for mud conservation. Many farmers are still using them to save costs.

9, I heard that the use of ammonia in shrimp ponds will increase, will it?

The use of chlorine dioxide will not cause the ammonia nitrogen and nitrite of the pond to rise.

10, authentic chlorine dioxide shrimp without side effects, right?

This is to see what is the reason, if the shrimp fish bleeding, do not use chlorine dioxide in the reaction process will cause stress, easily lead to death.

11, kill what bacteria?

Chlorine dioxide kills more and more species, intestinal pathogenic bacteria and pyogenic bacteria can kill. Why does chlorine dioxide dominate the sterilization and disinfection? Because his effect is 1.5 times more than that of strong chlorine.

12. Can raw fish ponds be used?

Raw fish ponds can be used. All aquaculture ponds can be sterilized with chlorine dioxide.

13. Do you use large soda to dissolve chlorine after using chlorine dioxide?

No, there is no need to use detoxification products to detoxify again.

14, when is it appropriate to use?

How do you know his effect? If chlorine dioxide is used for long-term disinfection, it is recommended to disinfect it once in half a month without too close.

15. Can chlorine dioxide kill vibrio?

Chlorine dioxide is very difficult to inhibit Vibrio. However, there is a product that can kill Vibrio, which is 50% potassium persulfate.

16, will affect the growth of fish and shrimp? What specifications can muddy to use?

Does not affect the growth of fish and shrimp. There is no special restriction on the use of the product, but it is only a matter of magnitude. Chlorine dioxide is a fourth-generation disinfection product that can also kill a portion of algae while disinfecting. Does not affect the growth of loach. In addition, regardless of the size of the fish and shrimp, it is not a matter of bacterial or viral infection. If it is caused by both, chlorine dioxide can be used.

17, how do you know about internal bleeding?

The initial symptoms were diseased fish mouth, head, eyelids, lid epidermis and fin base hyperemia, fish body with red bleeding spots on both sides, pale silk. Anatomy of the fish's abdomen shows congestion of internal organs, swelling of the liver and kidneys, and ascites in the body cavity. With the development of the disease, the congestive symptoms in various parts of the body surface are intensified, the abdomen is enlarged, and the anus is swollen.

18. Does chlorine dioxide kill algae?

Can kill algae, all chlorine products disinfection products, in the killing of the virus, will also kill some of the algae.

19. Can the shrimp be used?

Chlorine dioxide is not recommended because the shrimps are too small and the stress response of small shrimps will be larger. This is my personal opinion. Use less if you want to use it.

20, the amount of soil water depth of one meter, how much?

The amount of water is usually based on the quality of the water. If the water quality is too dirty, 300-400 grams will be used. If the water quality is medium, 200 grams will be used. When the water quality is prevented, 150 grams will be used.

21, I would like to ask, if we say that potassium hydrogen sulfate is the fifth generation of oxidants, chlorine dioxide is not the fourth generation of oxidants, the role of the two differences? In practical drug production, how do you recommend farmers?

Chlorine dioxide and potassium persulfate are oxidative disinfection products, but potassium peroxydisulfate has a better bactericidal effect than chlorine dioxide, and it also has a very good bottom-up effect. Another point is that potassium peroxydisulfate is safer than chlorine dioxide. Now in Europe and the United States, chlorine dioxide and chlorine products are not allowed to be used in the aquaculture industry. They are all used in the series of potassium hydrogen sulphate. One of our customers, Anhui fish farming, used 20% of potassium persulfate to disinfect two years ago. According to what he said, it was disinfected and the one-off solution was changed. The bactericidal effect was far better than that of chlorine dioxide.

22. What about the first generation, second generation and third generation disinfectants? Have these generations of products been eliminated?

Classification of disinfectants: first generation, bleaching powder; second generation sodium dichloroisocyanurate, third generation, strong chlorine, fourth generation of chlorine dioxide, fifth generation, potassium persulfate. The first, second and third generations have all been eliminated. However, some farmers still continue to use them in consideration of costs and other issues. Such as clear pond with quicklime can also be used to disinfect. Take strong chlorine extracts, although the country proposed not to use this product, but the use is still a lot of people.

23, a dollar powder dry or sprinkled with water to activate it?

Powder must be activated before use, but it is more troublesome.

24. Can dioxide dioxide reduce ammonia and nitrous acid?

Strictly speaking, it is impossible. He is only a disinfectant and can only kill germicidal algae. But you may have seen a drop in the ammonia nitrogen and nitrite in the water, only temporary, because it killed some organic matter. However, nitrite and ammonia nitrogen are mainly caused by the bottom of the pond. There are many organic substances on the bottom of the pond. You just kill the surface layer and it will be released after a long time. Basically, chlorine dioxide is not a solution to ammonia nitrogen and sub-salt. The product, it is only sterilized.

25. How can chlorine dioxide be stored safely?

About the storage of chlorine dioxide should be placed in a dry, ventilated, cool, dark, away from flammable and explosive materials, not under the sun exposure, chlorine dioxide itself is a dangerous product, we have the phenomenon of spontaneous combustion of chlorine dioxide Learned. Many enterprises producing chlorine dioxide have spontaneous combustion events during the production process.

26, chlorine dioxide efficacy how long?

If chlorine dioxide is put in water, its best effect is best from 30-50 minutes after melting, and 50 minutes is good. Generally, 30 minutes is its best efficacy. The duration is around 6 hours. About Origin: Chlorine dioxide is mainly dominated by Shandong, Hebei, Shanxi and some production, but mainly in Shandong. Now there are more than a dozen companies producing chlorine dioxide in Weifang, Shandong. One in Henan is Xinxiang, Henan. The specific name was forgotten.

27. What is the difference between the use of monochlorinated chlorine dioxide effervescent tablets and sustained-release tablets in the culture of Penaeus vannamei in South America (eg, effects) and side effects?

I feel that the chlorine dioxide effervescent tablet and the sustained-release tablet have the same bactericidal effect. When it comes to sustained release, it is generally believed that the time for the dissolution reaction will be longer and the sterilization time will be longer. Actually, Imagine releasing it for one minute. Both the energy and the energy released by the 15 minutes are the same. They are all for sterilization. I think that using effervescent tablets can be quicker. Some say that the adverse reactions produced by sustained-release tablets will be smaller. In fact, they are all the same. They are all produced through oxidation reaction. When shrimps have a stress reaction, any such oxidation reaction will affect shrimp and crabs. .

28, oxidizing water when there is irritating odor, and smoke emerges, what reason?

It is mainly dichloro or triclosan.

29. Dibasic chlorine dioxide is mainly composed of sodium chlorite and acid, so does monobasic chlorine dioxide contain citric acid?

There are, more or less certain, acids, which must be added during the production process. It is only that there are more and fewer contents.

30. Quicklime, chlorine dioxide, bleaching powder, these three can be said to be the most widely used disinfection and antiseptic drugs in aquatic products, as if the effects are similar, but in different situations, different purposes (for example, farmers are to clear Pond, disinfection, transfer of water, consider the cost of drugs and other factors, how to choose?

There is a big difference between the three, because the bactericidal effect of quicklime and bleach is not comparable to that of chlorine dioxide. You may feel that the use of quicklime and bleach is similar to that of chlorine dioxide. It is only a surface phenomenon because of the use of quicklime. And bleaching powder is immortal, chlorine dioxide is completely able to kill; and clear pond is generally used quicklime, or bleaching powder, because the cost is low, because the price of chlorine dioxide is relatively high, so now when the clear pond It's less. Disinfectants are divided into first generation, second generation, third generation, etc., but sometimes it does not mean that the effect of the fifth generation is better than that of the first generation. In some cases, the effect of the fifth generation is not as good as that of the first generation. The second generation.

32, chlorine dioxide treatment of carp disease what effect is better? Does it have any effect on fish gills and rotten oil?

If the fish is rotten and appears to be rotten, it cannot be disinfected with chlorine dioxide, because chlorine dioxide will produce a stress response, which will cause a large number of fish to die.

33. Chlorine dioxide is used only as a disinfectant, and it has no effect on others. Why can it only be used for disinfection?

Because chlorine dioxide is a chlorine dioxide that is determined by the nature of the disease, it must be high in content, but the general effect is good. The one dollar is relatively low in content because all of it is used less, and the water quality is relatively poor. When used, it is also a water quality improver.

34, a friend said; lime, used after the rain, sunny morning use, adjust the PH stable hardness, high quality and low price, sterilization that is the time before the clear pond, do the water when used, after putting the seedlings estimated that no one used this to sterilization. Chlorine dioxide is used to sterilize bacteria after laying and during the cultivation process. The effect is good and the residue is low. Bleaching powder, should be said to be outdated drugs, instability is the drawbacks, it is better to switch to strong chlorine, the first-class bactericidal effect of the first, if used in the breeding process, the amount should be low, otherwise the algae. Is he correct in this way?

Usage is no problem. As mentioned earlier, there is a residue of strong chlorine, which is lower than that of chlorine dioxide. In addition, the market for strong chlorine fines is also very chaotic, and there are interested individuals who are interested in strong chlorine.

35, chlorine dioxide can only be used for disinfection and prevention, the effect of treatment of fish can not?

The efficacy of chlorine dioxide is usually 5-6 hours, and the efficacy is not long. When treating fish diseases, it needs to be used several times in a row. Usually, everyone uses it as a precaution or when the weather is bad. Chlorine dioxide is used as a disinfectant to act as a disinfectant. In order to prevent some diseases, it is mainly prevention, and every time a certain period of time (half a week and one week of chlorine dioxide is used to sterilize in the pond in order to prevent some diseases. Now the fish farmers have seen the disease, it depends on whether it is not bacterial or virus If it is, use chlorine dioxide and other disinfection products.

36. As a precaution, chlorine dioxide should also be available. Pouring chlorine dioxide is not lack of oxygen?

The use of chlorine dioxide should also be mentioned: one is its volatility, and the second is that it cannot be exposed to light, so it is generally better to splash or cloudy over the morning and late afternoon. Use one dollar and two yuan as much as possible, the use of algae is very powerful, use should pay attention to the prevention of hypoxia. Dibasic chlorine dioxide is generally better at treating sepsis in fish.

37. Can chlorine dioxide add copper sulfate or iodine?

Chlorine dioxide can be added with copper sulfate, but iodine preparations should not be used together. If iodine is used, chlorine dioxide is used in the morning and iodine preparation is used in the afternoon.

39, if the chlorine dioxide plus copper sulfate or iodine preparations where role ah?

In general, water quality tends to be relatively concentrated in the middle and later stages. When used together with iodine preparations, treatment with chlorine dioxide increases the effect of iodine preparations and reduces the consumption of organic substances for iodine preparations.

39. Can shrimp use chlorine dioxide when shedding seeds?

As mentioned before, crabs are not recommended for use with chlorine dioxide.

40. What are the advantages and disadvantages of using chlorine dioxide tablets and powders?

Chlorine dioxide tablets and powders have roughly the same effect when used. As long as the content is the same, only the tablets are more convenient to use and they are scattered directly into the pond. After the powder is activated, it should be splashed. The effect is better, but the specific effect is similar to that in the pond (there is also a point that the powder will lose some of the bactericidal effect when it is activated). Powders and tablets have their own advantages. For example, the powder is for the surface of the water. If the pond water is relatively deep, tablets can reach the bottom, and the bottom sterilization effect will be better. In general, I would recommend farmers to use powder together with tablets.

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