Moss & Algae Killer
Safer Moss & Algae Killer is a potassium based soap that kills moss, algae, liverworts and lichen quickly and effectively. Inhibits new growth too! Great for use on roofs, decks, walls, fences, and patio structures. No scraping required. Safer Moss & Algae Killer does not stain and is safe to you and the environment. 32 oz. ready to use hose end spray bottle covers 500 sq. ft. OMRI Listed for use in organic production.
Directions for use:
For Structural Applications: Apply Moss & Algae Killer at the rate of approximately 1 gallon per 100 square feet. For best results, moisten area to be treated with fresh water before applying product. Spray area until thoroughly wet. Treated mosses, algae, lichens, and liverworts will discolor quickly. For best results, leave spray on area for 10 minutes following application, then scrub using a push broom or similar type broom, then hose off with fresh water.
For Growing Containers and Hardened Bark of Trees: Spray affected area to wet thoroughly. Use on ornamental trees only. DO NOT APPLY to fruit trees, foliage or green bark of conifers or broad leaf plants.
For Mosses in Lawns and Turf: For best results, moisten area to be treated with fresh water before applying product. A void spraying when precipitation is expected. Spray affected area thoroughly at the rate of approximately 1 gallon per 50 square feet. After 30 minutes, rinse sprayed areas lightly with clean water, then withhold water for two days. Do not treat turf when temperature exceeds 85 F. PERSISTENT MOSS GROWTH ON LAWNS is symptomatic of too much shade, acid soil, and poor drainage. If several sprayings do not reduce moss problem it may be necessary to reduce shade, aerate and lime the soil.

Active Ingredient:
Potassium Salts of Fatty Acids ..... 40.00%
Other Ingredients ..... 60.00%
Product Label - PDF format
Material Safety Data Sheet (MSDS) - PDF format