• Removes post-construction residues, mortar and cement remains on all types of floors. • Effective against salt efflorescence and saltpeter on exposed brick facades. • Removes rust stains and deep dirt caused by pollution on porous materials. • Suitable for terracotta, rustic stoneware, porcelain, aged marble, ceramics and slates. • Does not damage the floor or joints, respecting previous treatments. • Ideal for removing white veils formed by limescale from washing water.