Indian Sandstone Patio Turning Yellow
Posted: Mon Jul 08, 2019 4:40 pm
Hi all I have bought a house which has Indian sandstone the back patio an front is fine but all up the side patio is turned yellow I have tried patio cleaner jet wash everything an this won’t budge does anyone know what this is an how to get rid of it people have said it’s efflorence but everything I have looked at that always seems to be white any help will be appreciated cheers