What mineral composition causes white, flaky bits often seen settled at the bottom of a kettle or glass?
Answer
Limescale or calcium carbonate deposits
White, flaky particles observed suspended in water or settled at the bottom of containers like kettles are predominantly indicators of high mineral content, specifically limescale, which is chemically known as calcium carbonate. These deposits result from dissolved calcium and magnesium in hard water sources. Although aesthetically unappealing, when found in these quantities, these minerals are generally considered inert and safe for human consumption as they are essential dietary components.
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