According to the Royal Horticultural Society, Jeyes Fluid and other products that contain tar acids cannot claim to control moss, lichen or liverwort, and gardeners should not use them for this purpose. However, Jeyes Fluid can be used to control algae.
About this Author
Aileen Clarkson has been an award-winning editor and reporter for more than 20 years, earning three awards from the Society of Professional Journalists. She has worked for several newspapers, including "The Washington Post" and "The Charlotte Observer." Clarkson earned a Bachelor of Arts in journalism from the University of Florida.