48 OZ, Ready To Spray Hose End, Wet & Forget Outdoor Spray, Same Great Results As Wet & Forget Outdoor With A Hose End High Capacity Sprayer, Goes To Work Cleaning Porch Steps, Window Ledges, Boat Seats, Play Equipment Or Any Outdoor Surfaces Plagued With Moss, Mold, Mildew & Algae Stains, Bleach Free, pH Close To Neutral, Spray & Leave Application, No Scrubbing Or Rinsing, Residual Cleaning Up To A Year Or More. Sprays Up To 30+ Feet, Cleans Up To 2,000 SQFT.