Almost every spring and summer season, with or without evidence, or a biased interpretation, the media will report how terrible sunscreen ingredients are. This year, zinc oxide has become the target of news, and the headline of the news is expected, such as “sun protection.” The ingredients are not harmful.” “Sunscreen ingredients increase the risk […]

Anhydrous copper sulfate (chemical formula: CuSO4) is an inorganic compound and has a white or off-white powder appearance. Anhydrous copper sulfate is weakly acidic in aqueous solution and is blue. However, when crystallized from an aqueous solution, blue copper sulfate pentahydrate was formed. Copper sulfate pentahydrate (chemical formula: CuSO4·5H2O) is also called copper sulfate crystal.

Copper sulphate is the cheapest algicide (copper sulphate is indeed an algicide even used in industrial water treatment, but now with the rise in international copper prices, the price of copper sulphate is much higher than the price of chlorine preparation) Many people think that the use of blue copper sulphate will make the pool