Can lime be sprinkled on the fish pond just after the fish are put in? What can be used to replace quicklime for fish pond disinfection?

For aquaculture, fish pond disinfection before the start of aquaculture is an indispensable task. Usually, people choose to use quicklime to disinfect fish ponds, in order to eliminate harmful organisms in the fish pond. In addition, quicklime can also improve the bottom quality. So in the disinfection process, in addition to quicklime, what other drugs can we use to replace quicklime?

The role of fish pond disinfection

Before raising fish in a fish pond, many fishermen will use quicklime to disinfect the fish pond. Quicklime can disinfect the fish pond, kill some pests, aquatic insects and other small animals, and eliminate pathogenic bacteria of fish, as well as some parasites. Only by doing a good job of pond disinfection can the fish fry grow up healthily. Therefore, fish pond disinfection is very important.

Can I spread lime after I put fish in the pond?

It is better to use quicklime to disinfect fish ponds, because other disinfectants are not so effective and the disinfection is not comprehensive enough. For example, if you use tea dregs to disinfect fish ponds, although it can kill some small fish, shrimps, and small insects, etc., it cannot kill bacteria that are harmful to fish.

No matter which method you use to disinfect the fish pond, you must pay attention to the dosage. Using too much may cause poisoning to the fish fry. It is particularly important to note that if you use chlorine-containing disinfectants to disinfect the fish pond, you must pay attention to the dosage.

What is the substitute for quicklime for fish pond disinfection?

Tea dregs: This is a by-product of tea seed oil extraction, also known as tea seed cake in rural areas. When used as a pond cleaning agent, it is mainly used to kill miscellaneous fish or snails in the pond. If there are many of these organisms in the pond, you can choose to use tea dregs, but the disadvantage of this drug is that it cannot kill bacteria. Therefore, if this drug is used to clean the pond, it is best to use it in combination with chlorine preparations.

Bleaching powder: Bleaching powder is also called calcium hypochlorite, which contains 30-38% effective chlorine. Chlorine can kill most bacteria and pathogens as well as some small organisms. Therefore, it is also a relatively commonly used type of pond cleaning and disinfecting drug in aquaculture. It also requires a small amount and is easy to operate. If the fish pond has shallow bottom mud, it is a good choice to use it instead of quicklime for disinfection.

Bleach: This is also a chlorine-containing drug, the chemical name is sodium hypochlorite, which also uses the characteristics of chlorine to disinfect. However, this is generally used more in cement pools, and the effect will be less if it is used in mud ponds.

In addition, there are some drugs such as strong chlorine, chlorine dioxide, ammonia water and the like. Some places also have the tradition of using croton for disinfection. These drugs can replace quicklime from a pure disinfection perspective, but these drugs do not have the effect of improving the bottom. Therefore, when using these drugs in ponds with deep mud, it is best to first fully dry the pond or clean the pollution before using them, the effect will be better.