Lauren Coleman-Lochner, Laundry Detergent Makers Want More Suds.
www.businessweek.com/articles/20 ... ng-washing-machines
Quote:
“Extra soap isn’t a problem for traditional washing machines; they use enough water to eliminate soapy residue. But in high-efficiency washers, in which laundry rotates in a drum and is sprayed with water and not continually submerged, more detergent means sudsier clothes. Efficient machines use as little as one-third of the water of older models.
“As of last year, 44 percent of US households had high-efficiency models (Whirlpool, Samsung Electronics, and GE are leading makers)
Note:
(a) summary underneath title in print: Water-saving washing machines are dragging down soap sales
(b) “P&G and other makers have cut prices as consumers look to cheaper brands, such as Arm & Hammer and Oxi Clean from Church & Dwight, the second-largest detergent maker in the US. * * * P&G accounts for 60 percent of the US detergent market, followed by Church & Dwight at 14 percent.”
(i) Arm & Hammer
en.wikipedia.org/wiki/Arm_%26_Hammer
(Originally associated only with baking soda and washing soda, the company began to expand the brand to other products in the 1970s using baking soda as a deodorizing ingredient, including toothpaste, laundry detergent, underarm deodorant, and cat litter)
(ii) sodium carbonate
en.wikipedia.org/wiki/Sodium_carbonate
(“used as a water softener in laundering. It competes with the magnesium and calcium ions in hard water and prevents them from bonding with the detergent being used”)
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