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Removing hard water marks


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Hi guys, a dental surgery I clean have asked me to remove the hard water marks on Their skylights, there's 7 in total and they are quite badly marked. How hard is it to remove these marks? And what's best to use?.


Is it a time consuming job? Coz I have no idea what to charge for it.


Thanks in advance.



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Hey Paul, I have been researching the Internet as I have a few customers thats have windows that are bad with it.. I have seen people saying white vinegar works, line scale remover.. But I found a car cleaning product called meguires hard water spot remover.. I think I will try this.. There is a few videos on YouTube too using different stuff..

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Bicarbonate soda . Its an old skool cleaning thing from the war times they used it for everything even cooking .


LOL I'm not quite that old, I'll be eating tripe next.


Surprisingly though it still works after all these years, bicarbs a very mild abrasive and vinegar will help cut through any grease etc. It WILL clean almost anything.

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  • 4 weeks later...
Guest Lemonza

I use lime scale remover on a couple of houses that have drops landing on the window from overflow pipes. Apply, leave a minute then clean as normal. Easy. Happy customer.

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