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Hard water - not filtered by water board?
On 10/12/2017 11:39 AM, Rob Morley wrote:
On Thu, 12 Oct 2017 19:30:27 +0100 Tim Streater wrote: In article 20171012190713.7bb76b8c@Mars, Rob Morley wrote: Neutralises calcium ions somehow so they don't form calcium carbonate? If you neutralise them, then: 1) a current must flow, where does that come from? Dunno, but it's called an electrolytic device ... 2) the now neutral calcium atoms would immediately react with the water to produce calcium hydroxide and hydrogen. So you're back where you started: with calcium ions in solution. Indeed - it's beyond my O-level chemistry to explain, but people seem to think it works and they're probably not all snake-oil enthusiasts. |
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