SCRUBB Brick & Patio Cleaner is a fast acting, acid-based cleaner for brickwork, paving and stone surfaces. Restore your brickwork or paving to its former glory with SCRUBB Brick & Patio Cleaner - a fast-acting, acid-based cleaner that makes light work of removing tough stains. The powerful formula easily removes mortar and cement stains, efflorescence, salts, paint and weather-staining. Guaranteed to bring out the very best in your walls, patios, concrete and other stone surfaces. * Fast-acting acid-based formulation * Removes concrete splash, mortar and efflorescence * Cleans, restores and removes weathering * Suitable for acid-resistant surfaces only Scrubb Brick & Patio Cleaner 5L. Powerful acid cleaner for brickwork, masonry, patios & paving. Fast-acting acid-based formulation. Removes concrete splash, mortat & efflorescence. Cleans, restores & removes weathering.