Parisian Blue Limestone Coping

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 Requires sealing with a penetrating sealer to make cleaning easier. Use a pH neutral cleaner such as detergent and avoid acids in cleaning. Seal with a highlighting sealer to darken and increase contrast. When choosing a natural stone coping around your pool, it is imperative to keep your water level at least 75mm from the bottom of the coping edge. This is especially true if you have a salt water pool! If the water is too close to your natural stone, the salt can be drawn up by the sun through the stone causing salt attack. If you don’t have an overflow valve/pipe you need to reduce your water levels manually. In addition to the correct water levels being adhered to, coping pieces should be sealed using a 'penetrating sealer' within a few weeks of the pool being filled with water, as per professional advice and manufacturer recommendations.