- Is a safe, non-toxic, invisible, multi-surface protectant that is specifically formulated to "Block" calcium and hard scale from building up and damaging your pool tiles and water features, allowing future calcium to be easily removed off any treated surface. Easily applied to glass, porcelain and ceramic pool tile, concrete, rock features, travertine and concrete pavers, metal and more. Apply every 3-6 months to greatly reduce calcium, scale, efflorescence build-up and to make maintenance and future calcium cleanings easy. • Protects Waterline & All Surfaces from Damage Caused By Calcium & Efflorescence • Easy To Apply By Sprayer or Brush • Keeps Surfaces Looking Like New and Easier to Maintain
