Question: I have rust stains at the bottom of my pool. I have tried metal-removal additives with no success. Someone mentioned I could take a long piece of PVC piping and hold one end over the stain ...

Question: Could you address pool stains? Our 3-year-old pool looks dirty all the time, and I’m guessing it is iron stains. Answer: First, be sure of what you have. Is it an iron stain or something ...