THE GREATEST GUIDE TO PAVING SEALERS

We just had a paver patio and pool put in. They didn't seal the pavers. I feel the the installers splattered pool shock over the pavers. Which product will be the most effective to clean that? Plan to seal the pavers in Spring.Any stains need to be taken off prior to applying Paver Prep, employing the particular stain remover for the kind of stain.