Q. We have rust stains in several places in our pool, thanks to metal screws that fell into the water from a hole in my husband’s pocket. What can we do to get rid of the stains? A. When working ...

Question: After every heavy rain, I find dozens of fat earthworms drowned in my pool. If I don’t vacuum them out immediately, some stick to the bottom and leave a stain that won’t brush out. How can I ...