The Actiwash Stonework Treatment Guide provides instructions for treating common outdoor stone materials such as limestone, sandstone, slate, travertine and granite, which is affected by algae staining. The guide emphasizes the importance of cleaning the stonework before applying Actiwash to ensure effective treatment. It outlines necessary equipment, recommended dilution ratios for mild and heavy treatment, and application methods. Treatment efficacy is discussed, noting that organic stains will fade over time, with varying durations for different types of stains. Additionally, the document addresses common questions related to biofilm, the quantity of diluted solution needed, protection of nearby vegetation during treatment, optimal application conditions, and application methods. Get your Actiwash Algae Remover for domestic applications or Actiwash Pro Algae Remover for professional use in our online shop now