MOSS OUT! HEAVY DUTY CLEANER is biodegradable and does not contain chlorine bleach, ammonia, or phosphates. It is safe for people, pets, and plants* when used as directed. It quickly and effectively cleans many outdoor surfaces in as little as 5 minutes—without scrubbing.

MOSS OUT! HEAVY DUTY CLEANER removes slimy green and slippery black algae, mold, mildew, fungus, and moss stains. Special surfactants penetrate the surface to safely and easily dissolve the toughest stains from dirt, oil, grease, bird droppings, pollen, and tree sap. Use on roofing (wood, concrete and clay tile, composites); gutters (plastic or metal); siding (vinyl, aluminum, wood, composites); windows and window frames (wood, metal, vinyl coated); concrete, wood, and plastic structures (driveways, walkways, walls, eaves, patios, steps, decks, fences, trellis’ and miscellaneous outdoor structures, awnings, birdbaths, fountains, pools, statuary, garbage cans); patio furniture (plastic, wood, metal, wrought iron, steel, wicker, powder coated metal, fiberglass); outdoor fabrics (weather-resistant cushions, awnings, tents, umbrellas, tarps, vinyl coverings); brick; stucco; masonry; asphalt; terra cotta; rocks.

DIRECTIONS FOR USE: FOR OUTDOOR USE ONLY. Shake well before using. This container will clean up to 4,000 sq. ft. (less on rough or porous surfaces).

USE PRECAUTIONS: Do not apply to bare aluminum. Do not mix with other household chemicals. Treated surfaces may be slippery when wet. Do not use to clean fountains or ponds containing fish; remove water and plants before treating these surfaces. Prevent run-off or drift from entering fish ponds. May remove peeling, loosened, or oxidized paint or stain. May cause outdoor fabrics to fade, especially if already sun damaged. Do not use on leather.

BEFORE APPLICATION: Wet surrounding areas and plants with clear water. Product oversprayed onto these surfaces can be neutralized with large volumes of water. Using a leaf blower, rake, or broom, carefully remove loose moss and debris from surface to be treated.

TO APPLY: APPLY TO DRY SURFACE, using the specific dilution for the surface to be treated (see chart below). Spray to thoroughly coat surface and soak stains. Allow the spray to dwell for the recommended time (see chart below).

AFTER APPLICATION: Rinse treated area with clear water under pressure, using pressure washer on low setting (75 – 150 p.s.i., higher on unpainted cement or wood decks) or a regular garden hose nozzle on “fan” or “jet” setting. For most stains, there is no need to scrub the treated surface. Scrubbing may be needed for tough stains, such as from moss and mildew. A second application may be needed for extremely soiled or mildewed surfaces. Mildew may not be completely removed from porous surfaces. This product will not remove rust stains.

COLD WEATHER TIPS: To dissolve precipitates formed during cold weather, bring product to room temperature or add a small amount of warm water to container contents before use. For best results, when applying in cold weather, add 5-10 minutes to recommend dwell times.

CLEAN ASPHALT SHINGLES, COMPOSITES AND TILE ROOFING WITHOUT RINSING: Use Moss Out! Heavy Duty Cleaner as a “leave on” spray to clean these surfaces without rinsing. Carefully remove all loose moss and debris from roof using a leaf blower, broom, or rake. Mix 1 part Moss Out! Cleaner in 9 parts water. Apply product to a dry roof using a tank sprayer or sprinkling can. Thoroughly coat shingles or tile at the rate of one gallon mixed spray to 200 sq. ft. (20’x 10’). The contents of this container will cover 2,000 sq. ft. (50’x 40’) of roof. Allow spray to dry. Stains will darken during the treatment. After several heavy rainfalls the roof will be returned to a bright, clean appearance, free of fungus and moss stains.

FOR HARD-TO-CLEAN SURFACES AND STAINS: For heavy oil and grease stains (such as on driveways and garage floors), pour product directly onto the stain. Do not apply this product full-strength to painted or sealed surfaces. Allow to dwell for 10 minutes, scrub, then rinse with clear water as directed above. For severe stains, oil may continue to bleed to the surface or leave a residual stain. Repeat applications may lighten such stains, but may not remove them completely.

CAUTION: Contains sodium hydroxide. Avoid contact with skin and eyes. May cause skin and eye irritation. Wear eye protection, gloves, and long-sleeved shirt and pants when applying this product. In case of contact with eyes or skin, flush with water for 15 minutes. If irritation persists, seek medical attention. If swallowed, take large amounts of water. Do not induce vomiting. Get medical attention. Do not breathe mist. Keep out of reach of children. Do not allow product to freeze.

RECOMMENDED DILUTIONS AND DWELL TIMES

*Test in an inconspicuous area first to determine suitability for use. When
cleaning bricks, rinse immediately after application.