- Professional cleaner for patios, pathways, terraces, and outdoor surfaces - Quickly and efficiently removes tough stains from mold, algae, and water marks - Industrial-strength concentrated formula: maximum effectiveness with minimal product - Contains no acids or abrasives, protects and cares for treated surfaces - Versatile use: dilute for daily cleaning or apply undiluted to persistent stains - Easy application with brush or sponge, rinse with plenty of cold water - Manufactured and packaged in the United Kingdom - Optimal solution to keep patios and pathways clean and looking like new