30 SECONDS Cleaners are the Original and still the best Outdoor Cleaners since 1977 when you need to remove stains from Algae， Mold and Mildew or KILL Lichen and Moss. No need for noisy， expensive Pressure Washers with 30 SECONDS Cleaners. For a Fast Acting， Instant Clean that wipes out Dirt & Grime， you will want the Original 30 SECONDS Outdoor Cleaner. Simply spray on， brush if needed， and rinse away stains from Algae， Mold， and Mildew. Safe around your lawns and landscaping， too! Home Depot carries a variety of sizes to tackle any size job. From your home to your garden gnome， clean it all with 30 SECONDS Outdoor Cleaner. To treat large surface areas overtime， try 30 SECONDS Spray & Walk Away. The best choice when looking to KILL Lichen， Moss， Mold and Algae， especially on those large surface areas where rinsing is a hassle. Like the name says， Simply Spray & Walk Away! Works over time with Mother Nature to erode away the dead and decaying material. Perfect on roofs， decks， sidewalks， driveways， and any hard surface where you don't need immediate results. 30 SECONDS Cleaners are safe to use on all outdoor surfaces， from roofs to sidewalks and everything in between. Whether looking for an Instant Clean or a Treatment that works overtime， with 30 SECONDS it's clean when YOU want it clean!

Simply Spray & Walk Away to KILL Lichen， Moss， Mold and Algae

Slow Release Formula work over time with long lasting results

No Pressure Washing， Scrubbing， or Rinsing

Bleach & phosphate free， neutral pH

Safe on roofs， driveways， sidewalks， fences， and other hard surfaces

Ideal to treat large areas outdoors; Coverage between 750-2250 sq ft， depending on the growth and porosity of the surface

Makes 6 gallons of ready to use product

Made in the USA