Crikey Mikey Professional is a potent outdoor treatment designed to swiftly eliminate algae, lichen, and mould from various outdoor surfaces, including block paving, fences, walls, and patios. Dilutable for routine maintenance or used neat for stubborn areas, this industrial-strength solution delivers visible results in just 12 hours, outperforming other products even when diluted. With clear instructions and positive customer testimonials, Crikey Mikey Professional promises to rejuvenate outdoor spaces efficiently and effectively.