现在几乎家家户户都使用自来水,非常方便,但是因为各种原因造成的突然停水总是避免不了的。不少家庭都想到了储水,但是平日里储在水桶或水缸中的水因长期不使用,总会被污染,要是经常换水的话,又会造成浪费。那怎样才能既解决储水问题,又让水不污染不浪费 Now almost every household uses tap water, very convenient, but because of various reasons, the sudden stop water can not be avoided. Many families think of water storage, but the water stored in buckets or tanks on weekdays is always polluted. If the water is changed frequently, it will cause waste. Then how can we not only solve the problem of water storage, but also let the water not pollute and not waste