Natural stone patios need just as much care as internal stone floors so don't be tempted to scrub them with acid based patio cleaners sold in most retailer outlets, Limestone in particular is very sensitive to acid which over time can even dissolve it. For the best long term care of your patio use a jet wash to blast away the top layer of dirt combined with a strong alkaline cleaner (see below) scrubbed into the stone to remove the ingrained dirt. Once clean seal the stone with an
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