A high-strength 40% white vinegar solution, perfect for cleaning and tackling limescale. This natural, multi-surface cleaner is also effective as a pet and child-friendly weed killer once dry. It works in low temperatures and can be used all year round. For best results, use pure or diluted 4:1 for block paving and paths. Apply on dry days when rain is not expected, ideally in spring and repeat as necessary. Always wear gloves and eye protection when using this product.