CleaningGrout Sealer Secrets that you Should be KnowingPaul watsonJuly 18, 2020July 22, 2020 by Paul watsonJuly 18, 2020July 22, 20200809 Most grout sealers sold on the market are scam. They are made of acrylic, silicone or are water-based. Their very construction defies their purpose....