Moss & Algae Killer

Out of stock

No scraping required! Safer Moss & Algae Killer is a potassium based soap that works quickly and effectively on moss, lichen, algae and liverworts. Inhibits new growth too! Ideal for use on roofs, decks, walls, fences and patios. Non-staining formula is SAFE to you, your family, and the environment. OMRI Listed for use in organic production.

Available size: Quart (32 oz) Hose End — covers 500 square feet.


For best results, moisten problem areas prior to application. Spray Moss & Algae Killer at a rate of 1 gallon per 100 sq ft (structures) or 1 gallon per 50 sq ft (turf) and let sit. After 30 minutes, rinse treated areas lightly with water.

CAUTION: Do NOT treat turf when temperature exceeds 85°F.

Active Ingredient:
Potassium Salts of Fatty Acids ….. 40.00%

Other Ingredients ….. 60.00%

Product Label – PDF
Material Safety Data Sheet (MSDS) – PDF

User’s Tip:
PERSISTENT MOSS ON LAWNS is symptomatic of too much shade, acid soil and poor drainage. If several applications do not reduce problems it may be necessary to aerate and lime the soil.

Purchase by the case and save! Please call 1-888-349-0605 for pricing.