Tap water put overnight is not in addition to chlorine, at least 1-3 days to go. Tap water can be used to water flowers or fish, but because there will be residual chlorine residues in the disinfection process, although the content is relatively low, but it will still have an impact on the health of flowers or fish, so it needs to remove chlorine first. There are many ways to remove chlorine, such as drying, aeration or using drugs to remove chlorine.
1. Air drying: The most commonly used method of dechlorination of tap water is the air drying method. After the water is connected in advance, it is put in a sunny place to dry. In summer, it can be dried for one day. In spring and autumn, it should be dried for two days. In winter, it should be dried for three days. If there is no sun, you can also wait for the chlorine to evaporate, which takes a week.
2. Aeration: The advantage of aeration for chlorine removal is that it is faster. Usually, if the amount of water is not large, it can be done in a few hours. And aeration also has other benefits, through aeration can improve the dissolved oxygen in the water body, for fish breathing has a certain help.
3. Drugs: Drugs for chlorine removal are mainly used in aquarium stores. Because aquarium stores have a great demand for water, it is still not enough to rely on other methods, so drugs are needed to remove chlorine. At home, you can also prepare some chlorine removal drugs in order to be able to meet emergencies.
