The stains on sinks and the porcelain are always a huge issue. The calcareous deposits on the sink give it unpleasant brown marks which are very difficult to get off. Take a grapefruit and sprinkle on some salt and use it to get out the brown stains.
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To retain the brightness of your clothes, pour in half a glass of salt into the washing mixture or the washing machine. It will bring back the vibrancy of the clothes.
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You're not supposed to clean a frying pan while it's still hot after cooking. Wait until the pan is cold and then use water on it, as it's best for the utensil to cool down before cleaning.
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