Used By Professionals - Seals and protects pool tile, glass & ceramic Prevents unsightly calcium stains and scum Extends life and appearance of pool tile Saves time, labor & cleaning pool tile One application of sealant lasts more than a pool season. Retreatment is recommended annually. Introducing the new Tile Shield Sealer & Protectant- 32 fl oz, designed to seal and protect tile and perimeter glass. PREVENT UNSIGHTLY STAINS WITH TILE SHIELD! Say goodbye to unsightly stains with one application, recommended to be reapplied annually. Professionals use this nano-protective treatment, which provides long-lasting results and saves time, labor, and maintenance costs. With one bottle, you can cover 1,000+ square feet and extend the life and appearance of your pool tile. For light maintenance, use a soft pool brush. Tip: 2 applications (2x per year) are recommended for optimal performance.