Linked from
The 23 pages that link to Alkalinity, each with the reason it gives.
Marine aquariumRelated: It buffers pH and supplies carbonate chemistry used by corals.
Water softeningRelated: Alkalinity affects precipitation chemistry in lime-based softening.
BoraxRelated: Dissolved borax makes water mildly alkaline, helping loosen acidic and greasy soils.
Water chemistryRelated: It describes resistance to pH change in natural and treated waters.
Lake TurkanaRelated: Its high value is a defining chemical feature of Lake Turkana.
Sodium aluminateRelated: Sodium aluminate adds alkalinity as well as aluminum to treated water.