POOL TILE MAINTENANCE: Oceancare Products is an industry leader in the protection and maintenance of pool tile. Developed to be safe on even the most sensitive of tile finishes, these products can clean, protect and renew your pool tile. PROTECTS AND PREVENTS: Glass and Tile Shield seal spray is invisible, easy to apply, and protects from calcium and mineral build-up by preventing them from sticking to the surface. REDUCES MAINTENANCE: Using our Glass and Tile Shield on clean surfaces will reduce how often you have to clean the calcium and efflorescence build-up since it protects and prevents deposits from bonding. Excellent to use after cleaning with Calcium Releaser. VERSATILE: Can be used on a variety of hard surfaces including ceramic tile, porcelain tile, glass tile, natural stone, windows, shower doors, metal fixtures, mirrors, tubs and sinks. Great for pools, ponds and rock water features. Apply every 6-12 months to maintain cleanliness. SIZE COVERAGE: Oceancare’s gallon covers up to 300 square feet. An invisible, easy to apply surface protectant that inhibits the bond of calcium and other mineral deposits. Protected surfaces are easier to maintain and most deposits are removed with light brushing or scrubbing. This takes away the need for abrasive or acidic cleaners and keeps your surfaces looking new, longer. Use on a variety of hard surfaces including ceramic tile, porcelain tile, glass tile, natural stone, windows, shower doors, metal fixtures, mirrors, tubs and sinks. Excellent for pools, ponds and rock water features. Dried product is safe for aquariums and marine life.