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 and 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 and 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 and 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 and 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

Attaches to your garden hose for easy， even application in minutes

Hose end sprayer reaches 30 ft. for high and hard to reach surfaces

Bleach and phosphate free， neutral pH

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

Ideal to treat large areas outdoors， coverage between 290 sq. ft. to 880 sq. ft. depending on the growth and porosity of the surface