Fast-Acting Formula for Quick Results - Designed for when patios need visible improvement fast. This rinse-off outdoor cleaner works quickly to lift stubborn surface dirt and staining. Tackles Black Spots & Mould Stains - Helps remove black spots, mould staining and discolouration caused by algae and lichen, restoring a cleaner appearance to outdoor hard surfaces. Ideal for Stone, Concrete & Paving Slabs - Suitable for use on stone, concrete and paving slabs. Perfect for refreshing tired patios, paths and paved areas around the home. Active Clean with a Rinse-Off Finish - Unlike spray-and-leave products, this cleaner is designed for an active clean followed by rinsing, making it ideal for heavily soiled areas. Great for Deep Patio Cleaning - A reliable choice for seasonal or intensive cleaning where a deeper, more hands-on approach is needed to refresh outdoor spaces.