Hi guys
I have an outdoor tap outside the backdoor, it gets alot of use and I live in a hard water area and over the years where it has ran onto the patio it has left what I can describe as limescale/white water marks on the indian sandstone and surrounding black brickwork.
Ive read that acid is a definite no no on indian sandstone so what can I use to get rid of the white haze?
Limescale/water stain on indian sandstone
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Tony McC
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Speedy Clean have a cleaner that is claimed to be non-acidic, but they really mean that it doesn;t have any of the 'strong' acids normally used to remove cement, lime and/or calcium carbonate (which is what you have).
It might be worth a try, but test it in a discreet corner first - Speedy Clean
It might be worth a try, but test it in a discreet corner first - Speedy Clean
Site Agent - Pavingexpert