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Graveyards and Gravestones / Re: Cleaning Old Gravestones
« on: Wednesday 23 April 08 09:28 BST (UK) »
There is a organic cleaner called 'Wet and Forget which is used for roofs and pathways. It is applied with a pump action bottle similar to window cleaners etc. takes up to six months to gradually clean it up. No scratching or scouring needed.