Q. I have a dirty-looking area on bottom of my acrylic bathtub … and am sure it is from my hard water. The tub is just now being used daily. I know I cannot use regular products like CLR or Lime-A-Way ...

Sterling Group sold its mostly plastic tub and shower business, which is called American Bath Group, to Lone Star Funds in a deal the two private equity firms closed on Sept. 30 for $750 million, ...