2hrs.
Description
Compact-size phosphoric acid cleaner for targeted removal of rust, scale, and efflorescence from concrete, tiles, brick, and metal surfaces. Excellent for small prep areas and spot treatments prior to painting or sealing. Dilute to suit the application and rinse thoroughly after use. Avoid use on acid‑sensitive materials and always conduct a test patch. Wear gloves and eye protection and provide ventilation. Store upright, sealed, and away from incompatible materials and ignition sources.
