或者是依照鐵鎚牌小蘇打粉在官方網站的FAQ: 『 Yes, Baking Soda can be used with HE washing machines. Add 1 cup with your liquid laundry detergent. 』 完全沒有提到你的洗衣機使用水量跟建議用量比， 鐵鎚牌 官方就是 『Add 1 cup』!
日文的炭酸水素ナトリウム WIKI 也好心的幫你說明了 重曹水は石鹸水より弱いアルカリ性であり、油脂に対する洗浄効果は弱い。重曹は水に溶けにくく、十分に撹拌しなければ洗浄効果が低下する。 另外日本本身就是濫用小蘇打的重災區，也是一堆家事達人偏方的主要來源之一，所以沒有看到有關腐蝕金屬的資料。
英文的Sodium bicarbonate WIKI 則好心的說出用熱水會腐蝕鋼，以及會腐蝕鋁的氧化層，所以不要用在鋁金屬上。 Sodium bicarbonate is used in a process for removing paint and corrosion called sodablasting; the process is particularly suitable for cleaning aluminium panels which can be distorted by other types of abrasives. A manufacturer recommends a paste made from baking soda with minimal water as a gentle scouring powder,[27] and is useful in removing surface rust, as the rust forms a water-soluble compound when in a concentrated alkaline solution;[61]cold water should be used, as hot-water solutions can corrode steel.[62]Sodium bicarbonate attacks the thin protective oxide layer that forms on aluminium, making it unsuitable for cleaning this metal.[63] A solution in warm water will remove the tarnish from silver when the silver is in contact with a piece of aluminium foil.[63][64] Baking soda is commonly added to washing machines as a replacement for water softener and to remove odors from clothes. It is also effective in removing heavy tea and coffee stains from cups when diluted with warm water. Also, baking soda can be used as a multipurpose odor remover.[65]
