Keep roofing, siding, walkways, driveways, decks and more clean with GreenClean®FX Moss, Mold & Mildew Treatment. Each 32 fl. oz container comes with a hose-end sprayer that dispenses a spray and vertical or horizontal drench. It teats up to 12,000 sq. ft., contains no chlorine or harsh chemicals, and leaves no residue behind. It can be used around plants without worrying about over spray. Manufactured by BioSafe Systems.