1. Put tap water in a large container and expose it to the sun for a whole day. It is also the simplest and most effective way. The advantage is energy saving, environmental protection and trouble-free. But this is not applicable in winter or rainy days in the north.
2. Find a container filled with tap water. In the absence of light, use air circulation to remove chlorine. Leave the water for about a week and then pour it out. in the aquarium to raise fish.
3. Chemical treatment. Buy Yulebao from the market and add one piece of Yulebao every 20 kilograms of water. The method of use is to crush Yulebao, dissolve it in water and stir for an hour to raise the fish. This method can be used when using water temporarily.
4. Use a large air pump to blow thewater, then use a 100 W bulb to illuminate it. It can be used after half an hour. This method is very safe and can be used even when turning a large tank.
5. Fill the washing machine with clean water, press the power wash button to spin the water quickly, and it can be used after 5 minutes. However, there is no guarantee that there will be chemical residue in the washing machine, so be sure to wipe the washing machine thoroughly before use.
6. You can choose a Coca-Cola bottle, drill more than ten small holes in the bottom, fill it with activated carbon, cover the neck of the bottle with a hose, and filter the tap water through a filter filled with activated carbon. Safe and effective, without toxic side effects, energy saving.
7. Use boiling water to remove the chlorine and wait until it reaches lat appropriate temperature before use. Although this method uses less chlorine, it also contains less oxygen in the water, so it should not be used in large quantities.