Logic Clean A leverages fruit acids to combat moss and algae growth on a wide range of surfaces, from roofs to sidewalks, and walls. Its unique formula also effectively removes rust and oxidation, making it a versatile choice for maintaining outdoor and indoor surfaces. Suitable for porous materials, Logic Clean A requires only a three-hour contact time to work its magic, eliminating the need for manual scrubbing. Simply dilute 1 liter of Logic Clean A with 5-10 liters of water, apply, and let the formula do the heavy lifting. As a concentrated, bio-based product, it ensures environmental safety and user health, making it an ideal choice for sustainable property maintenance.