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After pink water flowed from the taps of a Canadian town, an Australian lake has now turned pink. In Port Melbourne, Westgate Park's salt lake is now a fabulous shade of pink instead of the customary blue. Unlike in Canada, where potassium permanganate contamination led to the change in colour, this lake turning pink is a natural phenomenon. "Westgate Park's salt lake has turned pink again this season: a natural phenomenon in response to very high salt levels, high temperatures, sunlight and lack of rainfall. Algae growing in the salt crust at the bottom of the lake produces the red pigment (beta carotene) as part of its photosynthesis process and in response to the extremely high salt levels," says a statement on the Parks Victoria Facebook page.
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