Simple pressure washing helps, but does not kill the moss. We’ve found a safe and effective answer. I am experimenting with different products to see what will clean without bleach or high pressure. This one is Jomax brand “Spray Once.”Click to see full answer. Hereof, will jomax kill plants?Jomax House Cleaner and Mildew Killer is an EPA approved, patented concentrate containing a mildewcide, ChlorRelease®bleach activator and detergents. When used as directed, Jomax will not damage painted surfaces and may be applied near plants and shrubs.Beside above, how do you use jomax? Pour water into a tank-type garden sprayer or plastic pail. Add household bleach (Chlorox®) to the water. Shake Jomax House Cleaner and Mildew Killer concentrate thoroughly and then add the concentrate to the solution. Follow manufacturer’s precautions when using bleach. Similarly, it is asked, what is the best roof cleaning product? Our Top 8 Best Roof Cleaners Reviews Wet and Forget – 1 Gallon. Spray & Forget Revolutionary Concentrated Roof Cleaner – 1 Gallon. Mold Armor E-Z House Wash – 1 Gallon. B.E.S.T. Rubber Roof Cleaner – 48 oz. Protect All Rubber Roof Cleaner – 1 Gallon. D2 Biological Solution – 1 Gallon. Green Off Mold and Mildew Remover. What is jomax made of?Jomax® is an EPA approved, patented concentrate containing a mildewcide, ChloRelease® bleach activator and detergents. When used as directed Jomax® will not damage painted surfaces and may be applied near plants and shrubs. Generic Type – Mildewcidal liquid house washing concentrate.