For larger areas use a lawn sprayer and add 6 ounces per gallon.
Remove moss from roof baking soda.
My personal favorite is baking soda which is essentially soda ash or sodium carbonate.
Add 2 to 3 tablespoons of baking soda to 1 quart of water.
Rinse it out well then fill it with the water baking soda mixtures you all have been recommending.
This can be done by having it swept and blown once or twice a year when dry to remove leaves twigs and any dirt particles.
I buy the large bags and sprinkle it on my roof one or two times a year as needed to keep the moss down.
Yes it will get rid of the moss but it destroys the protective finish on your shingles that keep the shingles from protecing your roof.
And don t use laundry detergent that s another favorite home remedy here in the pnw.
Safely dispose of the contents at your local hazardous waste recycle center hopefully your area has one like ours.
Wait for a warm dry day and thoroughly coat the moss with the baking soda solution taking care to avoid spraying nearby plants including any turf grass.
Buy a bottle of moss off in the spray bottle with hose attachment.
An environmentally friendly product that has been effective for moss control on my roof.
Repeat applications may be needed to completely kill the moss.
Walk around spraying any moss patches with your natural moss killer for lawns.
You want to soak the moss so apply enough cover it thoroughly.
After blowing apply baking soda at the ridgeline in late summer.
Katie stewart a consumer care representative suggested using lemon juice and baking soda or baking soda alone or bar keepers friend a powdered cleaner that contains oxalic acid.
You can sprinkle the baking soda directly onto the moss letting it sit on the moss for several days.
Hook it up to your hose and spray on.
Dirt or particles on roofs can create places for moss to start growing so the primary preventative each year is to clean your roof.
If the moss is not already damp water it to ensure the baking soda powder clings.