How to banish moths from clothing, cook the perfect omelette, repot plants, keep fruit fresh, and all the other tips that grandmothers seem to just know Grandmothers have been handing out advice for centuries and their tried and tested methods are often the answer to many modern day problems. Did you know that malt vinegar and baking soda are as good as any branded cleaning product? That you can make your own delicious lemonade? That there's a shampoo...