Suncoast Scale Away is the perfect product for safely removing calcium scale deposits. It is designed specifically to solve one of the worst swimming pool area problems. Scale Away will effectively remove 2-4 mils of scale per application. For use on dry tile, glass block, vinyl or stucco. All you have to do is spray and watch this amazing product go to work. Then brush until the scale is gone and rinse.
Not for use on aluminum or marble, follow all instructions for use and warnings. Test in a small, inconspicuous area first.