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养花用的瓦盆,使用一段时间后,经日晒雨淋、水肥侵蚀,会在盆外表面形成一层十分难看的污垢白渍。这些旧瓦盆弃之可惜,继续使用又不美观,而清洗干净又十分困难。怎么办呢?别急,笔者告诉您一种简单的清洗方法。找一水桶,注满水,并往水中加入一定比例的硫酸亚铁。然后将使用过的旧瓦盆按大小顺序套起来,一同浸泡在硫酸亚铁水溶液中。大约3天后取出,用毛刷一刷,就可将瓦盆表面的污渍很轻松地刷洗干净,瓦盆顿时焕然
Flower pots used for a period of time, the sun and rain, water and fertilizer erosion, will form a layer of very ugly stains on the surface of the white stains. It is a pity that these old pots abandon them, but they are still not beautiful to use. And it is very difficult to clean them. What to do? Do not worry, I tell you a simple method of cleaning. Find a bucket full of water and add a certain percentage of ferrous sulfate to the water. The used tiles are then placed in order of size and soaked in an aqueous solution of ferrous sulfate. Take out about 3 days later, brush with a brush, you can easily wash the stains on the surface of the tile basin clean, tile basin suddenly look