This professional Patio and Stone Cleaner removes deep stains, grease, soot, limescale, rust and efflorescence from exposed masonry, such as brickwork, stone, concrete, tiled or stone floors and walls etc. For indoor use, but can be applied safely outside. Plant based. Safe to use on buildings, patios, masonry, stone, brick, concrete, granite and porcelain. 100% made in the UK. Never tested on animals. Readily biodegradable. How to use: For a spray bottle dilute 30ml in 700ml of water. For a bucket dilute 60ml in 5L water. Delphis Eco Patio and Stone Cleaner 5L is part of the range of Delphis Eco speciality cleaning products. Discover a variety of professional cleaning essentials, for inside and outside your home! Scrub and polish your surfaces to perfection with multi-purpose and patio & stone cleaners, available in ml and L volumes. Explore the full range of popular Delphis Eco products, including plant-based bathroom cleaning essentials and Delphis Eco refills, available from Big Green Smile.