As we've come to expect, Arizona Mike once again is sadly lacking when it comes to the facts.
Bleach contains chlorine. When chlorine is isolated and freed from its chemical bonds, it becomes a toxic gas. It also causes health threats to humans and wildlife, ranging from cancers to endocrine disruption. There's no question that household bleach, which is about 5 percent sodium hypochlorite, a mixture of chlorine and sodium hydroxide, is a dangerous product. Alternatives are available, including borax and nonchlorine (oxygen) bleach.