As a traditional algaecide, copper sulfate is widely used in various swimming places. The presence of algae in swimming pool water is common when water quality is not well-maintained. Algae treatment becomes necessary upon the first discovery of algae in the pool. Use the correct algaecide. In this paper, the properties and advantages of copper sulfate algaecide are introduced
Properties of copper sulfate algaecide
Copper sulfate is a type of heavy metal salt
The cations of heavy metals generally have certain toxicity to microorganisms, and their toxicity is ranked in the following order: Silver (Ag) > Mercury (Hg) > Copper (Cu) > Calcium (Ca) > Chromium (Cr) > Nickel (Ni) > Lead (Pb) > cobalt (Co) > Zinc (Zn)
The algal killing principle of copper sulfate involves poisoning leading to death
Copper ions are heavy metal ions, which can bind to algae chloroplasts faster than magnesium ions, sodium ions, etc., resulting in chloroplast heavy metal poisoning, loss of photosynthesis, and thus death of algae.
The advantage of copper sulfate in removing algae
- Broad-spectrum algae removal: It can kill a variety of algae at the same time, such as green algae, cyanobacteria, etc., and does not promote resistance.
- Low cost of use: the cost of use is lower than the market general algae removal agent, and easy to use.
- Effective at low concentrations: low concentrations can effectively inhibit the growth of algae in the pool, which is unmatched by other algae removal agents.
- Wide range of PH: It is suitable for a wide range of PH values and can maintain high stability even under alkaline conditions.
- Harmless to the environment: Whether it has an impact on the environment is an important condition for selecting copper sulfate algae removal agent. The agent does not cause environmental pollution when diluted below the used concentration. In addition, copper sulfate algal removal agent can effectively control the growth of bacteria and algae in water and slime growth, and has good slime stripping and certain dispersion, penetration, and has certain oil removal, deodorization and corrosion inhibition performance characteristics.
Potential risks of improper use of copper sulfate algaecide
- Copper sulfate contains copper ions, and heavy metal cations can form insoluble salts with free carboxyl groups in proteins, which causes protein denaturation and coagulation to lose activity, resulting in tissue damage and even death. Copper sulfate is widely used to kill algae in pools. However, using copper sulfate to kill algae also has some side effects, such as causing turbidity in the water.
- Copper sulfate algae removal cannot be used when the chlorine content is too high. The addition of oxidizing chlorine disinfectant can oxidize copper ions into black copper oxide, causing the pool water to turn black. More importantly, long-term use of copper sulfate in pools is not conducive to the health of swimmers. In the use of not only to control the amount and use times can not be too frequent.
Precautions for the use of copper sulfate
- The toxicity of copper sulfate is proportional to the water temperature. It is generally better to use it in the morning on sunny days and reduce the amount when the water temperature is high.
- The amount of copper sulfate is proportional to the water fertility, organic matter and suspended matter content, salinity, so the appropriate amount should be selected according to the specific situation of the swimming pool in the use process.
- When the water body is alkaline, copper sulfate should be used with caution to avoid the formation of copper oxide that will cause the water body to be toxic.
- Do not use metal utensils when copper sulfate is dissolved, do not use water above 60 ° C to prevent loss of efficacy. After the use of the copper sulfate pond, it is necessary to fully oxygenate to prevent the consumption of oxygen due to the death of algae and affect the water quality.
- Copper sulfate has a certain toxic side effect (affecting hematopoietic function) and residual accumulation, so it cannot be used often.
- Accurately calculate the dosage, if the whole pool is spilled, the general dosage is 0.7ppm. The water volume should be accurately estimated, and the amount calculated on this basis, the degradation factors of copper sulfate are less, the effective action time of copper sulfate is longer, and its toxic side effects are stronger.
- It is recommended for localized use. The primary purpose of copper sulfate is to kill algae, and it can be applied specifically to areas with algae growth. When used locally, the amount of copper sulfate can not be calculated according to the amount of water in the whole pool, and should be properly reduced, which will cause adverse effects on the water body.
