What is the role of calcium oxide? There's a lot of people who don't know about calcium oxide, and here's the introduction to it:
Calcium oxide is an inorganic compound, its chemical formula is CaO, the common name is lime. The physical properties are white powder on the surface, and the impurities are pale, yellow or gray, with moisture absorption.
Calcium oxide, which is exposed in the air for long periods of time, absorbs carbon dioxide and turns into powder calcium carbonate, which does not affect the sterilization of the pond. Therefore, the lime is best to be bought now, and the choice is light, free of impurities. If you don't use the remaining lime, use plastic bags to seal the seal.
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