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<p>[QUOTE="Ownedbybear, post: 146554, member: 29"]The deposits happen through an acid and base reaction. Your metal object in water gives a mild acid, which will react with the dissolved calcium bases to give an insoluble salt. Hang on a bit and I'll work out the formula. <img src="styles/default/xenforo/smilies/wink.png" class="mceSmilie" alt=";)" unselectable="on" /> </p><p><br /></p><p>Same principle as what happens with water pipes in places like London, which have very hard water. It's why water pressure is kept high.[/QUOTE]</p><p><br /></p>
[QUOTE="Ownedbybear, post: 146554, member: 29"]The deposits happen through an acid and base reaction. Your metal object in water gives a mild acid, which will react with the dissolved calcium bases to give an insoluble salt. Hang on a bit and I'll work out the formula. ;) Same principle as what happens with water pipes in places like London, which have very hard water. It's why water pressure is kept high.[/QUOTE]
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