Scale removal is an important maintenance activity on heat exchangers and other industrial water handling equipment. Over time, calcium carbonate from hard water builds up on the surfaces of pipes and ...

While there seem to be cleaning products formulated for any type of stain, mess, or grime you can think of, some people—for a variety of reasons—prefer to take more of a chemistry-class-approach to ...

Question: My brick house was built in 1921. The bricks are a mixture of brown, various shades of red, beige and black. I had some deteriorating mortar replaced, and the handyman smeared the mortar on ...