After the period of milk can be used to water flowers, but can not be used directly, first fermentation. Otherwise, if it is poured directly into the basin soil, it will soon produce an unpleasant smell, and the heat emitted is easy to burn roots, affecting growth. When fermenting, pour it directly into the container, add a small amount of clear water, seal it and put it in the sun for exposure. It can be used after about one month. At this time, there will also be a bad smell. It is recommended to ferment for a long time, and the smell will be lighter after a long time.
1. Overnight tea: the overnight tea is harmful to human body and can not be continued to drink, but can be used to water flowers. Because it is acid water, it can promote the growth of some plants that like acid soil. However, before pouring, we should observe the moisture level of the soil, not blindly pouring, otherwise it will also affect the growth.
2. Rice washing water: there are many trace elements in rice washing water, which can promote plant growth. But before using, we also need to ferment first, otherwise it will burn the root system, which is harmful to the growth.
3. Cool white water: it can also be poured with cool white water, which is easier to absorb than tap water directly connected. Like the water that has been dried, it can make the plant grow more vigorously.