Miracle Sealants 511 Impregnator 16-fl oz Clear Natural Stone Sealer and Finish in the Indoor Floor Sealers department at Lowes.com
Rainguard Water Sealers Stone Sealer Clear, Natural Super Flat Transparent Water-based Mildew Resistant Mold Resistant Sealer (1-Gallon) in the Waterproofers & Sealers department at Lowes.com