Modern society is a society that emphasizes the quality of life. People are gradually improving their quality of life, which has led to many high-tech products. The widely used ion water purifier in people's homes can improve the water quality by adding favorable ion components to the water, which is beneficial for everyone's personal safety, and thus achieve better water use for daily life. The cultivation of subtropical fish is also constantly accepting the hazards of high-tech, evolving from the ion water purifier commonly used by people to the professional cation anion resin used for ornamental fish, and has secretly entered the field of ornamental fish feeding.

Ion exchange refers to the exchange of ions attached to a resin with ions in water. The ions in water are adsorbed onto the resin, and the ions on the resin are released into the water. There are many types of cations. In terms of hydrogen type, the resin adsorbs H ions, which exchange with dangling valence cations such as calcium and magnesium in water. The resin adsorbs calcium and magnesium ions, while hydrogen ions are released into water. Similarly, anionic resins only exchange negative valence anions. In the application of ion exchange resins, mixed beds are generally used for exchange, which means that the exchange system software contains both cations and anions in order to produce good purified water. If only one type of ion is used, the exchange is not complete, and the solved water will become alkaline or acidic. The proportion of anions and cations needs to be determined based on the local water quality and the main parameters that must be used to produce water quality. If the local water has a high hardness, a large amount of cations must be present; If the water quality is expected to be acidic after solution, a large amount of cations must also be added and placed at the end of the CPU.

When using ion resin in a glass cylinder, it is advisable to remove chlorine from the water before entering the ion resin, as the presence of chlorine in the water can greatly reduce the lifespan of the ion resin. Ionic resin should be stored in an independent switch and does not need to sink into the fish tank throughout the application process. The application of ion resin depends on the local water quality. If the local water quality is not suitable for raising ornamental fish, everyone must use ion resin; When feeding original fish with high water quality regulations, it is necessary to use ion resin.

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