QUESTION: We live on a golf course, and our pool deck is getting what appears to be small rust stains on it. Do you have any ideas what may be causing this and how to get the stains out? ANSWER: The ...

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 ...