Unger RubOut Hard Water Stain Remover is an essential solution for cleaning professionals. This high-performance cleaner effectively tackles stubborn stains on glass surfaces, including hard water marks, rust, mineral deposits, lime scale, and soap scum. Despite its strength, RubOut is gentle on surfaces, ensuring no scratches or damage occur during cleaning. Packaged in a convenient 16 oz bottle, it fits seamlessly into any cleaning kit, ready for immediate use. Ideal locations for use: Commercial Buildings: Maintain pristine glass windows and doors in office complexes and retail stores; Residential Properties: Restore clarity to household windows, shower doors, and glass tabletops; Hospitality Industry: Ensure spotless glass surfaces in hotels and restaurants to enhance guest experience; Healthcare Facilities: Keep glass partitions and windows free from stains, contributing to a clean environment.