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Dear Heloise: I’ve discovered a great way to keep my cucumbers crisp and juicy. Right after I pick them, I put a dab of paraffin on the end where the vine was. This keeps the moisture from escaping and really keeps them fresh. — Mary Himmelberg, Republic, Mo.

Mary, your idea got us to thinking about cucumbers that are store-bought and nonorganic. They are so green, shiny and good-looking. We have since found out that they are usually covered with wax. This coating helps to prevent shrinkage, preserve moisture, deter fungus and mold, and enhance the appearance. This wax coating does not wash off with water, and you can’t really scrub it off, either. It is safe to eat, and it just passes through the body without being absorbed. — Heloise