This summer season has involved a lot of citrus fruits at my house. It's too hot to cook (38 days over 100 and counting!) so we've been eating a lot of fresh fruit and raw vegetables. Since I've been buying produce in larger quantities, I've got plenty of leftovers to use on some other tasks in the home. But what to use them for? Cleaning and freshening up the place, of course! Here's a look at how versatile these summer citrus' can be. First up, grapefruit!