Q. We have a crushed aggregate surface on our pool, and it had been perfect until last year when a few rust-colored spots started appearing. This year, the stains have gotten much worse, and our pool ...

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 ...

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 ...

The first step is to identify the problem. Stains in a swimming pool can be caused by metals in the water or by algae, and the best clue to the source of the problem is the colour of the stain. Almost ...

Q. I am a winter resident in Ft. Myers, Fla., and live the rest of the year in Massachusetts, where I have a vinyl 20-by-40-foot in-ground swimming pool. Last spring when I removed the cover, I ...