What is the recipe for cleaning concrete?
WENDY PEARSON, Hanover A. No secrets. Just plain old Spic and Span, or any similar detergent. For heavy-duty washing, I prefer the granular (not liquid) Spic and Span. Make a double-strength mix. Add a cup of bleach to the bucket. Wear skin and eye protection when working with bleach. Apply this solution, let it stand for two to five minutes, scrub, rinse and let dry thoroughly before putting down the carpet. Nothing else is needed. Q. I am building concrete balusters for an outside wall. I want them white, so I was thinking I would have to treat them with a cement-based paint. I would like to skip this step; can I buy white concrete? D.D., Wellesley A. I think white concrete is sold, but you can also make it yourself with Portland cement, white sand and crushed white stone (usually marble). If you can’t find these materials or find white concrete, you could instead paint the gray concrete with a white, solid latex stain. This should be easier to do than using the cement-based paint, a
