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supernova77

  • Posts: 3547
How would you clean this? (hard water stain on brick)
« on: July 31, 2017, 05:24:49 pm »
Hi All,

Any tips on cleaning this?

Thanks,
Andy


Kev Martin

  • Posts: 6954
Re: How would you clean this? (hard water stain on brick)
« Reply #1 on: July 31, 2017, 10:02:25 pm »
It's calcified efflorescence.  Use Heavy Duty Acidic Cleaner combined with Phosphoric Acid.  It will deffo take a few applications but coupled with a Hand Held Rotary fitted with an SIC Brush will make fairly light work of it.  Problem is that once that area is done it will show the rest of it up
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

supernova77

  • Posts: 3547
Re: How would you clean this? (hard water stain on brick)
« Reply #2 on: August 01, 2017, 09:34:01 am »
Thanks Kev.

I've just sent  you an email.

Andy

Peter Heath

  • Posts: 3
Re: How would you clean this? (hard water stain on brick)
« Reply #3 on: August 02, 2017, 09:24:16 am »
Without getting technical.  Just a spray with 50% HCL should disolve it and the just rinse it off.
https://cleanupcrewcleaners.com.au/cleaning-services/pressure-cleaning
Cheers
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G & M

  • Posts: 513
Re: How would you clean this? (hard water stain on brick)
« Reply #4 on: August 19, 2017, 11:14:29 pm »
Any other link to that product as that page wont load

Kev Martin

  • Posts: 6954
Re: How would you clean this? (hard water stain on brick)
« Reply #5 on: August 20, 2017, 06:48:04 am »
Any other link to that product as that page wont load

He registered on here 4 Months ago and the link refers to something in Australia so I wouldn't worry about it.  There is no magic formula for getting rid of calcified efflorescence.  You need to firstly remove the source then remove the efflorescence using a combination of Eff-Ex, Phosphoric Acid and a brush depending on how hard it is
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics