农村中几乎家家户户都有水缸，然而，很多农家却没有经常清洗的习惯，以致于水缸里长满绿苔、实在不清洁卫生。俗话说：流水不腐。无论是井水、河水，还是自来水。特别是一些山区食用的窑水或来水，本身就不太洁净，有的水源还受到不同程度的污染。如不经常清洗水缸，就会在水 Almost all households in rural areas have water tanks. However, many farmers do not have the habit of always cleaning their houses, so that they are not covered with green moss. As the saying goes: water does not rot. Whether it’s well water, river water or tap water. In particular, some of the kiln water or incoming water consumed in mountainous areas is not very clean in itself, and some water sources are also polluted to different degrees. If you do not often wash the tank, it will be in the water