Crikey Mikey Extra Strong is a potent solution designed to swiftly eliminate algae, lichen, and mould from outdoor surfaces, promising visible results within 12 hours. It is specifically tailored for serious gardeners seeking efficient and rapid outdoor cleaning solutions. The product can be diluted for routine maintenance or used neat for tougher growth, providing versatility in application. Packaged with 2 x 5 Litres of Crikey Mikey Extra Strong with Frost Protection and Full Instructions, it ensures comprehensive coverage and ease of use. The Crikey Mikey Outdoor Treatment Wizard Range also includes other formulations catering to various needs, ensuring there's an option for every situation.