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The definitive, science-backed guide to cleaning everything in your home in a safe, sustainable, evidence-based way"A great reference for anyone stumped by reluctant-to-leave dirt -- and far cheaper than hiring a professional." -- BOOKLIST Countless cleaning hacks for every kind of household dirt may vie for our attention, but how do we know which ones really work and which ones will only leave you with a sticky mess that doesn't actually do the job? Scientific evidence comes to the rescue, as chemistry professor Dario Bressanini teaches you everything worth knowing about cleaning agents and processes (and dispels plenty of myths, too) . He answers all of our most pressing housekeeping questions:Is it more efficient to wash dishes in the sink or in the dishwasher?Does bleach remove dirt?Which cleaning supplies should I buy, and which can I make at home?Can vinegar and baking soda actually unclog your drain?How can I most effectively tackle different types of stains?What can get rid of that stuff on my showerhead?Bressanini covers subjects like these by digging into chemistry basics such as solubility, pH, and concentration, bringing them out of the classroom and into the real-world chores that we deal with every day.