Is A Powerfull Exterior Mold Cleaner that Penetrates Deep Into Crevises and Capillary Cell Membranes to Inoculate, and Effectively Decompose Embedded Root Line Infestations, and Biological Microscopic Spores for a Long Lasting Crystal Clean Algae Fee Surface. Use When a Cleaned Looking Surface Is Time Sensitive and Cannot Wait for the Natural Cleaning Process of Eco Mold Go Pro-Clean. Apply Evenly to a Completely Dry Surface That Has Been Previously Pressured Washed or Surface Cleaned.