Talk:Toilet rim block

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I've got a strong suspicion that when any toilet-cleaning product marketing material says "limescale", what they actually mean is "faecal residue"... Certainly the effect of a typical rim or cistern block seems to mainly be the production of a very weak solution of (strongly scented, and sometimes strongly coloured, at least in comparison to its concentration) detergent in the pan, which loosens and cleans away such staining by virtue of the amount of time it's typically allowed to stand, rather than being particularly harsh (like the bleach that would otherwise be used), and greatly reduces the amount of both stronger cleaning agents and brush-scrubbing needed. Worth making some kind of allusion to this, or at least the effect, in the article? It's a bit hard to cite, but then this doesn't appear to be the most referencable subject ever... (of course, if the solution also happens to be at least weakly acidic, it will also gradually dissolve away limescale, and prevent any calcium compounds in the supply water from further precipitating out, though that might be more of a convenient side effect than the primary focus) 51.7.49.61 (talk) 17:49, 27 August 2017 (UTC)