Q My pool-service company has a new strategy of shocking the pool each week to keep the chemicals stable. I worry that this will deteriorate my pool surface prematurely. It was just resurfaced three ...

It was a seasonably warm evening that hinted at the summer to come, and Artie Verderamo paused over the limpid water of the backyard pool he was tending in Glen Ridge. Verderamo, a technician with ...