After the project is complete what can be used to fill in between the gaps ( polymeric sand)?
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For a polymeric sand, use EarthEssentials by QUIKRETE® Polymeric Jointing Sand #127557. If you intend use the EarthEssentials by QUIKRETE® Polymeric Jointing Sand, then be sure the molded sections are dry and remove any dry material left on the surface of the molded sections prior to the application of water, because this could cause hazing. Also be careful not to wash the EarthEssentials by QUIKRETE® Polymeric Jointing Sand out of the joints onto the molded sections while applying the water.
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