The unusually mild and wet winter in the Northeast had one drawback, as I discovered during a midwinter boat checkthe conditions were ideal for mildew. There are various ways of getting rid of this pestilence, but it always seems to return. YachtBrite claims its enzyme-based Moldaway powder will kill off those pesky mold spores as well as clean up stains. Dissolved in water, the nontoxic, biodegradable powder can be used to clean canvas, vinyl, wood, fabrics, and other materials. $11.99 per 12-ounce can. YachtBrite, 800-643-2316, www.yachtbrite.com.