Ultimate Cal Block

Ultimate Cal Block- This new AC Technology gives you a safe, non-toxic, multi-surface protectant that is specially formulated to “Block” and “Reduce” hard water calcium build-up and efflorescence. Ultimate Cal Block will safely protect all kinds of surfaces such as glass, shower doors, ceramic and porcelain tile, sinks, faucets, pool tiles, grout, natural stone, masonry, metal and more.