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: We are Northerners who never had a home pool before we moved to Tampa. We have an 8-year-old small pool (cloverleaf, 20-by-20 feet and 6 feet deep). In the past two years, the water has gone ...