Restore your outdoor masonry surfaces with this powerful black spot remover. The high-strength formulation is designed to power away black spots, grime, and even tough, aged dirt, leaving your block paving, concrete, and natural stone looking deeply cleaned and refreshed. This remover is a straightforward solution for eliminating unsightly stains and restoring the original appearance of your exterior surfaces. It provides an effective way to maintain the look of your driveway, patio, and paths with minimal effort. * Powerful cleaning action - eliminates black spots, dirt, and grime * Restores surfaces - brings block paving, concrete, and natural stone back to life * High-strength formula - lifts even tough, aged dirt for a deep clean